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CVE-2012-10053

46
FAUCET Score

CVE-2012-10053 describes a critical stack-based buffer overflow in Simple Web Server 2.2 rc2, specifically in its handling of the Connection HTTP header. An unauthenticated remote attacker can exploit this by sending an excessively long string, leading to arbitrary code execution with the web server's privileges. This vulnerability carries a CVSS score of 9.3 (CRITICAL) due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. While not listed on the KEV catalog, exploit modules are publicly available in Metasploit, and it has garnered significant community discussion, indicating a high potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
PMSoftwareSimple Web Server
2.2 rc2CNA affecteddefault unknown

CVSS Data

CVSS version used by this source: 4.0

9.3CRITICAL

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
VS Confidentiality
HIGH
VS Integrity
HIGH
VS Availability
HIGH
SS Confidentiality
NONE
SS Integrity
NONE
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
1.21%
Probability of exploitation in next 30 days
EPSS Percentile
65.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
Metasploit: S.O.M.P.L 1.0 Player Buffer Overflow · Jan 22, 2010
This CVE's current EPSS score of 0.0120 is in the 51st percentile among its peer group of 36,862 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

ghostinthelab.wordpress.com / 2012/07/19/simplewebserver-2-2-rc2-remote-buffer-overflow-exploit
raw.githubusercontent.com / rapid7/metasploit-framework/master/modules/exploits/windows/http/sws_connection_bof.rb
exploit-db.com / exploits/19937
exploit-db.com / exploits/20028
vulncheck.com / advisories/simple-web-server-connection-header-buffer-overflow
pmx.it / software/sws.asp