CVE-2022-39197
What it is
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).
At a glance
- Exploitability
- Can be exploited over the network without logging in, but needs a user to act. Limited direct impact.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2023-03-30 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2023-04-20 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 44.1% in the next 30 days (EPSS).
- Severity: 6.1 MEDIUM (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2023-03-30
- Exploit probability
- 44.1% · EPSS, next 30 days
- Weakness
- CWE-79 · Cross-site scripting
- Record status
- Analyzed
Affected
- Helpsystems Cobalt Strike < 4.7.1
Attack profile CVSS 3.1 · 6.1
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
- Scope
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2022-39197.md and follow it. Check whether this project is affected by CVE-2022-39197. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
- 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/
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