CVE-2021-20850 is a critical vulnerability affecting the XMLRPC API in PowerCMS versions 5.19 and earlier, 4.49 and earlier, 3.295 and earlier, and all PowerCMS 2 Series. This flaw allows an unauthenticated remote attacker to execute arbitrary operating system commands with high impact on confidentiality, integrity, and availability. Despite its critical CVSS score of 9.8, there is currently no public exploit code available, nor is there evidence of active exploitation or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.0, <= 2.058CPE matchmatch criteria | cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:* | ||
>= 3.01, <= 3.295CPE matchmatch criteria | cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:* | ||
>= 4.0, <= 4.49CPE matchmatch criteria | cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:* | ||
>= 5.0, <= 5.19CPE matchmatch criteria | cpe:2.3:a:alfasado:powercms:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.