VulnerabilityModified
CVE-2021-43741
CMSimple 5.4 is vulnerable to Directory Traversal.
CRITICAL 9.8EPSS 4.72%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.72%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
CMSimple 5.4 is vulnerable to Directory Traversal. The vulnerability exists when a user changes the file name to malicious file on config.php leading to remote code execution.
- 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
- 4.72% probability · 91th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-22
- Affected
- cmsimple/cmsimple
- Source
- cve@mitre.org
References
- https://github.com/iiSiLvEr/CMSimple5.4-VulnerabilitiesBroken Link
- https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43741Exploit, Third Party Advisory
- https://github.com/iiSiLvEr/CMSimple5.4-VulnerabilitiesBroken Link
- https://github.com/iiSiLvEr/CVEs/tree/main/CVE-2021-43741Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.