250 lines
9.4 KiB
JSON
250 lines
9.4 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"state": "PUBLISHED",
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"cveId": "CVE-2021-29921",
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"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"assignerShortName": "mitre",
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"dateUpdated": "2026-10-08T21:13:55.262Z",
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"dateReserved": "2021-04-01T00:00:00.000Z",
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"datePublished": "2021-05-06T00:00:00.000Z"
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},
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"containers": {
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"cna": {
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"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
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"shortName": "mitre",
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"dateUpdated": "2023-05-03T00:00:00.000Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In Python before 3,9,5, the ipaddress library mishandles leading zero characters in the octets of an IP address string. This (in some situations) allows attackers to bypass access control that is based on IP addresses."
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}
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],
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"affected": [
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{
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"vendor": "n/a",
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"product": "n/a",
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"versions": [
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{
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"version": "n/a",
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"status": "affected"
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}
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]
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}
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],
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"references": [
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{
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"url": "https://github.com/sickcodes"
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},
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{
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"url": "https://docs.python.org/3/library/ipaddress.html"
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},
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{
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"url": "https://github.com/python/cpython/blob/63298930fb531ba2bb4f23bc3b915dbf1e17e9e1/Misc/NEWS.d/3.8.0a4.rst"
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},
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{
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"url": "https://sick.codes/sick-2021-014"
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},
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{
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"url": "https://www.oracle.com//security-alerts/cpujul2021.html"
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},
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{
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"url": "https://github.com/sickcodes/security/blob/master/advisories/SICK-2021-014.md"
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},
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{
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"url": "https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html"
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},
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{
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"url": "https://bugs.python.org/issue36384"
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},
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{
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"url": "https://github.com/python/cpython/pull/12577"
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},
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{
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"url": "https://github.com/python/cpython/pull/25099"
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20210622-0003/"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpujan2022.html"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpujul2022.html"
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},
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{
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"name": "GLSA-202305-02",
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"tags": [
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"vendor-advisory"
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],
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"url": "https://security.gentoo.org/glsa/202305-02"
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"type": "text",
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"lang": "en",
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"description": "n/a"
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}
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]
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}
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]
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},
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"adp": [
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{
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"title": "CVE Program Container",
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"references": [
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{
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"url": "https://github.com/sickcodes",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://docs.python.org/3/library/ipaddress.html",
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"tags": [
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{
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"tags": [
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{
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"url": "https://sick.codes/sick-2021-014",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://www.oracle.com//security-alerts/cpujul2021.html",
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"tags": [
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},
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{
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"tags": [
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]
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},
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{
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"url": "https://python-security.readthedocs.io/vuln/ipaddress-ipv4-leading-zeros.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://bugs.python.org/issue36384",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://github.com/python/cpython/pull/12577",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://github.com/python/cpython/pull/25099",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://security.netapp.com/advisory/ntap-20210622-0003/",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpujan2022.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpuapr2022.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"url": "https://www.oracle.com/security-alerts/cpujul2022.html",
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"tags": [
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"x_transferred"
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]
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},
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{
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"name": "GLSA-202305-02",
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"tags": [
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"vendor-advisory",
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"x_transferred"
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],
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"url": "https://security.gentoo.org/glsa/202305-02"
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},
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{
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"url": "https://lists.debian.org/debian-lts-announce/2024/12/msg00000.html"
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}
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],
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"providerMetadata": {
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"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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"shortName": "CVE",
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"dateUpdated": "2025-11-03T21:44:43.122Z"
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}
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},
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2021-29921",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "yes"
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},
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{
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"Technical Impact": "total"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-10-08T21:08:18.432552Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-10-08T21:13:55.262Z"
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}
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}
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]
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}
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} |