CVE-2021-34992

CVSS 8.8 HIGHEPSS 4.1%CWE-502

Vexday Risk Score

21Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 8.8EPSS 4.1%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

15 Nov 2021Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Orckestra C1 CMS 6.10. Authentication is required to exploit this vulnerability. The specific flaw exists within Composite.dll. The issue results from the lack of proper validation of user-supplied data, which can result in deserialization of untrusted data. An attacker can leverage this vulnerability to execute code in the context of the service account. Was ZDI-CAN-14740.

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Orckestra · C1 CMS

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References

https://github.com/Orckestra/C1-CMS-Foundation/releases/tag/v6.11 https://www.zerodayinitiative.com/advisories/ZDI-21-1304/