CVE-2011-4357 describes a format string vulnerability in the Python CGI Kit (neo_cgi) module for Clearsilver versions 0.10.5 and earlier. This flaw allows remote attackers to trigger a denial of service (crash) and potentially execute arbitrary code by injecting format string specifiers into CGI error messages. With a CVSS score of 7.5, it is considered highly severe due to its network-based attack vector, low attack complexity, and potential for partial confidentiality, integrity, and availability impact. Despite its severity, there is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage, suggesting it is not widely targeted.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.10.5CPE matchmatch criteria | cpe:2.3:a:brandon_long:clearsilver:*:*:*:*:*:*:*:* | ||
0.1CPE matchmatch criteria | cpe:2.3:a:brandon_long:clearsilver:0.1:*:*:*:*:*:*:* | ||
0.2CPE matchmatch criteria | cpe:2.3:a:brandon_long:clearsilver:0.2:*:*:*:*:*:*:* | ||
0.2.1CPE matchmatch criteria | cpe:2.3:a:brandon_long:clearsilver:0.2.1:*:*:*:*:*:*:* | ||
0.3CPE matchmatch criteria | cpe:2.3:a:brandon_long:clearsilver:0.3:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:P/I:P/A:P
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.