Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability (CVE-2022-39197)
Severity: medium · Patch status: patched · Since 2023-03-30 · CVE-2022-39197
Fortra Cobalt Strike contains a cross-site scripting (XSS) vulnerability in Teamserver that would allow an attacker to set a malformed username in the Beacon configuration, allowing them to execute code remotely. CISA added CVE-2022-39197 to its Known Exploited Vulnerabilities catalog on Mar 30, 2023, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by Apr 20, 2023 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch