RCE in Alfasado Powercms
CVE-2022-33941
PowerCMS XMLRPC API provided by Alfasado Inc. contains a command injection vulnerability. Sending a specially crafted message by POST method to PowerCMS XMLRPC API may allow arbitrary Perl script execution, and an arbitrary OS command may be executed through it. Affected products/versions are as follows: PowerCMS 6.021 and earlier (PowerCMS 6 Series), PowerCMS 5.21 and earlier (PowerCMS 5 Series), and PowerCMS 4.51 and earlier (PowerCMS 4 Series). Note that all versions of PowerCMS 3 Series and earlier which are unsupported (End-of-Life, EOL) are also affected by this vulnerability.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.017 (74.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Alfasado Powercms
- Alfasado Inc. Powercms Xmlrpc Api — versions PowerCMS 6.021 and earlier (PowerCMS 6 Series), PowerCMS 5.21 and earlier (PowerCMS 5 Series), PowerCMS 4.51 and earlier (PowerCMS 4 Series), and PowerCMS 3 Series and earlier which are unsupported (End-of-Life, EOL)
Weakness classification (CWE)
Public proof-of-concept exploits
References
- vultures@jpcert.or.jp (Patch, x_refsource_MISC, Vendor Advisory)
- vultures@jpcert.or.jp (Third Party Advisory, x_refsource_MISC)
Frequently asked questions
- What is CVE-2022-33941?
- CVE-2022-33941 is a critical-severity vulnerability in Alfasado Powercms, classified under OS Command Injection. CVSS score: 9.8/10. Published 2022-09-08.
- How severe is CVE-2022-33941?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2022-33941 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.