VulnerabilityModified
CVE-2023-34939
Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.
CRITICAL 9.8EPSS 5.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (5.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 5.03% probability · 92th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- onlyoffice/onlyoffice
- Source
- cve@mitre.org
References
- https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252Release Notes
- https://github.com/firsov/onlyofficeExploit
- https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.mdExploit, Third Party Advisory
- https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252Release Notes
- https://github.com/firsov/onlyofficeExploit
- https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.mdExploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.