VulnerabilityModified
CVE-2021-42645
CMSimple_XH 1.7.4 is affected by a remote code execution (RCE) vulnerability.
CRITICAL 10.0EPSS 4.52%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.52%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CMSimple_XH 1.7.4 is affected by a remote code execution (RCE) vulnerability. To exploit this vulnerability, an attacker must use the "File" parameter to upload a PHP payload to get a reverse shell from the vulnerable host.
- CVSS 3.1
- 10.0 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS
- 4.52% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- cmsimple-xh/cmsimple xh
- Source
- cve@mitre.org
References
- https://github.com/Net-hunter121/CMSimple_XH-Unauth-RCEExploit, Third Party Advisory
- https://github.com/cmsimple-xh/cmsimple-xh/releases/tag/1.7.5Release Notes, Third Party Advisory
- https://github.com/Net-hunter121/CMSimple_XH-Unauth-RCEExploit, Third Party Advisory
- https://github.com/cmsimple-xh/cmsimple-xh/releases/tag/1.7.5Release Notes, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.