VulnerabilityModified
CVE-2021-20850
PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, and PowerCMS 2 Series (End-of-Life, EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors.
CRITICAL 9.8EPSS 1.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
PowerCMS XMLRPC API of PowerCMS 5.19 and earlier, PowerCMS 4.49 and earlier, PowerCMS 3.295 and earlier, and PowerCMS 2 Series (End-of-Life, EOL) allows a remote attacker to execute an arbitrary OS command via unspecified vectors.
- 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
- 1.49% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-78
- Affected
- alfasado/powercms
- Source
- vultures@jpcert.or.jp
References
- https://jvn.jp/en/jp/JVN17645965/index.htmlThird Party Advisory
- https://www.powercms.jp/news/release-patch-xmlrpc-api-202110.htmlPatch, Vendor Advisory
- https://jvn.jp/en/jp/JVN17645965/index.htmlThird Party Advisory
- https://www.powercms.jp/news/release-patch-xmlrpc-api-202110.htmlPatch, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.