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CVE-2011-3203

31
FAUCET Score

CVE-2011-3203 is a critical code execution vulnerability affecting Jcow CMS versions 4.x to 4.2 and 5.2 to 5.2, specifically within the 'attachment' parameter of index.php. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with low attack complexity, allowing an unauthenticated attacker to achieve complete compromise of confidentiality, integrity, and availability. While highly severe, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 4.0, <= 4.2CPE matchmatch criteria
cpe:2.3:a:jcow:jcow_cms:*:*:*:*:*:*:*:*
>= 5.0, <= 5.2CPE matchmatch criteria
cpe:2.3:a:jcow:jcow_cms:*:*:*:*:*:*:*:*

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
2.40%
Probability of exploitation in next 30 days
EPSS Percentile
82.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0240 is in the 72nd percentile among its peer group of 36,829 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

openwall.com / lists/oss-security/2011/08/30/6
ExploitMailing ListThird Party Advisory