CVE-2022-39197VulnerabilityPublished 03/30/2023Updated 10/24/2026
CVE-2022-39197: Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability
Affects Fortra Cobalt StrikeSource CISA KEV
Severity
HighNo CVSS score published yet
- Exploitation
Actively exploited – in CISA KEV since 03/30/2023
- KEV deadline
- 04/20/2023
- EPSS
- 46.4% chance of exploitation in 30 days – higher than 98% of CVEs
What to do
CISA required action
Apply updates per vendor instructions.
Description
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.