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CVE-2021-31324

59
FAUCET Score

CVE-2021-31324 describes a critical Command Injection vulnerability within the unprivileged user portal of CentOS Web Panel. This flaw allows an unauthenticated attacker to achieve root Remote Code Execution with low attack complexity. While not currently listed in CISA's KEV catalog or having public Metasploit/ExploitDB modules, Nuclei templates for OS Command Injection exist, and its high EPSS score suggests a significant likelihood of exploitation. Despite its critical nature, there is currently no recorded community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
Range not provided by sourceCPE matchmatch criteria
cpe:2.3:a:control-webpanel:webpanel:-:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
34.06%
Probability of exploitation in next 30 days
EPSS Percentile
98.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Nuclei: CVE-2021-31316 · Jan 16, 2025
This CVE's current EPSS score of 0.3406 is in the 95th percentile among its peer group of 36,835 CVEs.

Social Chatter

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.

Media 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

Remediation records are not available for this CVE.

References

shielder.it / advisories/centos-web-panel-idsession-root-rce
ExploitThird Party Advisory