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vuln-nvd/data/2026/CVE-2026-4638.json
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{"affected":[{"affectedData":[{"defaultStatus":"unaffected","product":"PRTG Network Monitor","vendor":"Paessler GmbH","versions":[{"lessThan":"26.2.120.1449","status":"affected","version":"0","versionType":"custom"}]}],"source":"551230f0-3615-47bd-b7cc-93e92e730bbf"}],"cveTags":[],"descriptions":[{"lang":"en","value":"PRTG Network Monitor before version 26.2.120.1449 ships a demo EXE/Script sensor that multiplies two integer parameters using cscript.exe. If a non-numeric value is passed instead, cscript.exe raises a 'Type mismatch' runtime error that includes the offending parameter value in plaintext. PRTG provides a documented placeholder variable, %windowspassword, which resolves to the configured Windows/domain password used by PRTG and can be passed as a sensor parameter. \n\n\n\n\nAny PRTG user who is not restricted to read-only access and is permitted to create sensors (the default for non-read-only users) can pass %windowspassword as an argument to the demo VBScript sensor, triggering the type-mismatch error and causing PRTG to display the plaintext password in the sensor's error output."}],"id":"CVE-2026-4638","lastModified":"2026-09-24T20:43:32.537","metrics":{"cvssMetricV40":[{"cvssData":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","availabilityRequirement":"NOT_DEFINED","baseScore":7.1,"baseSeverity":"HIGH","confidentialityRequirement":"NOT_DEFINED","exploitMaturity":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","type":"Secondary"}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"id":"CVE-2026-4638","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-09-24T12:13:17.297572Z","version":"2.0.3"}}]},"published":"2026-09-24T11:16:45.953","references":[{"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","url":"https://paessler.freshdesk.com/en/support/solutions/articles/76000088640"},{"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","url":"https://r.sec-consult.com/paessler"},{"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","url":"https://www.paessler.com/de/download/"},{"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","url":"https://www.paessler.com/prtg/prtg-network-monitor"}],"sourceIdentifier":"551230f0-3615-47bd-b7cc-93e92e730bbf","vulnStatus":"Deferred","weaknesses":[{"description":[{"lang":"en","value":"CWE-209"}],"source":"551230f0-3615-47bd-b7cc-93e92e730bbf","type":"Secondary"}]}