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vuln-cve/data/2024/21xxx/CVE-2024-21606.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"cveMetadata": {
"cveId": "CVE-2024-21606",
"assignerOrgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"state": "PUBLISHED",
"assignerShortName": "juniper",
"dateReserved": "2023-12-27T19:38:25.707Z",
"datePublished": "2024-01-12T00:54:51.832Z",
"dateUpdated": "2025-06-17T21:09:19.784Z"
},
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"platforms": [
"SRX Series"
],
"product": "Junos OS",
"vendor": "Juniper Networks",
"versions": [
{
"lessThan": "20.4R3-S8",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "21.2R3-S6",
"status": "affected",
"version": "21.2",
"versionType": "semver"
},
{
"lessThan": "21.3R3-S5",
"status": "affected",
"version": "21.3",
"versionType": "semver"
},
{
"lessThan": "21.4R3-S5",
"status": "affected",
"version": "21.4",
"versionType": "semver"
},
{
"lessThan": "22.1R3-S3",
"status": "affected",
"version": "22.1",
"versionType": "semver"
},
{
"lessThan": "22.2R3-S3",
"status": "affected",
"version": "22.2",
"versionType": "semver"
},
{
"lessThan": "22.3R3-S1",
"status": "affected",
"version": "22.3",
"versionType": "semver"
},
{
"lessThan": "22.4R2-S2, 22.4R3",
"status": "affected",
"version": "22.4",
"versionType": "semver"
}
]
}
],
"configurations": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>To be exposed to this issue the following configuration needs to be present:</p><code> [security ike gateway &lt;gateway-name&gt; tcp-encap-profile &lt;profile-name&gt; ]</code><br/>"
}
],
"value": "To be exposed to this issue the following configuration needs to be present:\n\n [security ike gateway <gateway-name> tcp-encap-profile <profile-name> ]\n"
}
],
"datePublic": "2024-01-10T17:00:00.000Z",
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "\n\n<p>A Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).</p><p>In a remote access VPN scenario, if a \"tcp-encap-profile\" is configured and a sequence of specific packets is received, a flowd crash and restart will be observed.</p><p>This issue affects Juniper Networks Junos OS on SRX Series:</p><p></p><ul><li>All versions earlier than 20.4R3-S8;</li><li>21.2 versions earlier than 21.2R3-S6;</li><li>21.3 versions earlier than 21.3R3-S5;</li><li>21.4 versions earlier than 21.4R3-S5;</li><li>22.1 versions earlier than 22.1R3-S3;</li><li>22.2 versions earlier than 22.2R3-S3;</li><li>22.3 versions earlier than 22.3R3-S1;</li><li>22.4 versions earlier than 22.4R2-S2, 22.4R3.</li></ul><p></p>\n\n"
}
],
"value": "\nA Double Free vulnerability in the flow processing daemon (flowd) of Juniper Networks Junos OS on SRX Series allows a network-based, unauthenticated attacker to cause a Denial of Service (DoS).\n\nIn a remote access VPN scenario, if a \"tcp-encap-profile\" is configured and a sequence of specific packets is received, a flowd crash and restart will be observed.\n\nThis issue affects Juniper Networks Junos OS on SRX Series:\n\n\n\n * All versions earlier than 20.4R3-S8;\n * 21.2 versions earlier than 21.2R3-S6;\n * 21.3 versions earlier than 21.3R3-S5;\n * 21.4 versions earlier than 21.4R3-S5;\n * 22.1 versions earlier than 22.1R3-S3;\n * 22.2 versions earlier than 22.2R3-S3;\n * 22.3 versions earlier than 22.3R3-S1;\n * 22.4 versions earlier than 22.4R2-S2, 22.4R3.\n\n\n\n\n\n\n"
}
],
"exploits": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>Juniper SIRT is not aware of any malicious exploitation of this vulnerability.</p>"
}
],
"value": "Juniper SIRT is not aware of any malicious exploitation of this vulnerability.\n\n"
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-415",
"description": "CWE-415 Double Free",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"description": "Denial of Service (DoS)",
"lang": "en"
}
]
}
],
"providerMetadata": {
"orgId": "8cbe9d5a-a066-4c94-8978-4b15efeae968",
"shortName": "juniper",
"dateUpdated": "2024-01-12T00:54:51.832Z"
},
"references": [
{
"tags": [
"vendor-advisory"
],
"url": "https://supportportal.juniper.net/JSA75747"
},
{
"tags": [
"technical-description"
],
"url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"
}
],
"solutions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 22.1R3-S3, 22.2R3-S3, 22.3R3-S1, 22.4R2-S2, 22.4R3, 23.2R1, and all subsequent releases.</p>"
}
],
"value": "The following software releases have been updated to resolve this specific issue: Junos OS 20.4R3-S8, 21.2R3-S6, 21.3R3-S5, 21.4R3-S5, 22.1R3-S3, 22.2R3-S3, 22.3R3-S1, 22.4R2-S2, 22.4R3, 23.2R1, and all subsequent releases.\n\n"
}
],
"source": {
"advisory": "JSA75747",
"defect": [
"1721936"
],
"discovery": "USER"
},
"timeline": [
{
"lang": "en",
"time": "2024-01-10T17:00:00.000Z",
"value": "Initial Publication"
}
],
"title": "Junos OS: SRX Series: When \"tcp-encap\" is configured and specific packets are received flowd will crash",
"workarounds": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "<p>There are no known workarounds for this issue.</p>"
}
],
"value": "There are no known workarounds for this issue.\n\n"
}
],
"x_generator": {
"engine": "Vulnogram 0.1.0-av217"
}
},
"adp": [
{
"providerMetadata": {
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE",
"dateUpdated": "2024-08-01T22:27:35.875Z"
},
"title": "CVE Program Container",
"references": [
{
"tags": [
"vendor-advisory",
"x_transferred"
],
"url": "https://supportportal.juniper.net/JSA75747"
},
{
"tags": [
"technical-description",
"x_transferred"
],
"url": "https://www.first.org/cvss/calculator/4.0#CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H"
}
]
},
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"id": "CVE-2024-21606",
"role": "CISA Coordinator",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "yes"
},
{
"Technical Impact": "partial"
}
],
"version": "2.0.3",
"timestamp": "2024-01-12T15:48:53.618395Z"
}
}
}
],
"title": "CISA ADP Vulnrichment",
"providerMetadata": {
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP",
"dateUpdated": "2025-06-17T21:09:19.784Z"
}
}
]
}
}
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