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CVE-2011-2900

HIGH · CVSS 7.5EPSS 13.3%EU EUVD

Stack-based buffer overflow in the (1) put_dir function in mongoose.c in Mongoose 3.0, (2) put_dir function in yasslEWS.c in yaSSL Embedded Web Server (yasslEWS) 0.2, and (3) _shttpd_put_dir function in io_dir.c in Simple HTTPD (shttpd) 1.42 allows remote attackers to execute arbitrary code via an HTTP PUT request, as exploited in the wild in 2011.

Key facts

CVSS score
7.5 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE)
CWE-119
EPSS score
13.3% (96th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-2873)
Published
August 5, 2011
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-2873 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • shttpd / shttpd
  • valenok / mongoose
  • yassl / yasslews

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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