CVE-2022-39197

moderate-risk
Published 2022-09-22

An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).

Do I need to act?

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19.6% chance of exploitation in next 30 days
EPSS score — higher than 80% of all CVEs
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CISA KEV: actively exploited in the wild
On the Known Exploited Vulnerabilities catalog — federal agencies must patch
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (1)

Affected Vendors

Helpsystems

References (5)

Mitigation https://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/
Release Notes https://www.cobaltstrike.com/blog/tag/release/
Mitigation https://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/
Release Notes https://www.cobaltstrike.com/blog/tag/release/
US Government Resource https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-...
49
/ 100
moderate-risk
Severity 23/34 · High
Exploitability 21/34 · High
Exposure 5/34 · Minimal