CVE DATABASE / CVE-2022-39197
CVE-2022-39197
Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability
Confirmed exploited in the wild. Added 2023-03-30.
Federal remediation due 2023-04-20.
Required action: Apply updates per vendor instructions.
Summary
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).
CVSS 3.1 breakdown
| Base score | 6.1 (MEDIUM) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | REQUIRED |
| Scope | CHANGED |
| Confidentiality | LOW |
| Integrity | LOW |
| Availability | NONE |
Weakness type (CWE)
Affected products
Use our free CVE Lookup tool for the latest NVD record, or browse the full CISA KEV catalog.
References
- https://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/
- https://www.cobaltstrike.com/blog/tag/release/
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-39197
Data: NIST NVD + CISA KEV. NVD last modified 2025-11-03. Always verify against the vendor advisory before acting.