CVE-2022-39197 KEV
6.1
MEDIUM · CVSS 3.1 · EPSS 46.4% (pctl 99)
Patch first
On CISA KEV — known exploited in the wild, due 2023-04-20.
Description
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).
Scoring
| CVSS | 6.1 (MEDIUM, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| EPSS | 46.45% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-79 |
| On CISA KEV | yes — remediate by 2023-04-20 |
| Public exploit | none known |
| Published | 2022-09-22 |
| Last modified | 2026-06-17 |
CISA KEV
| Name | Fortra Cobalt Strike Teamserver Cross-Site Scripting (XSS) Vulnerability |
|---|---|
| Added | 2023-03-30 |
| Due | 2023-04-20 |
| Vendor / product | Fortra / Cobalt Strike |
| Ransomware use | none reported |
Affected (1)
| Vendor | Product |
|---|---|
| helpsystems | cobalt strike |
References
- https://www.cobaltstrike.com/blog/out-of-band-update-cobalt-strike-4-7-1/
- https://www.cobaltstrike.com/blog/tag/release/
- 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
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