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Fencer Intel
critical 10.0

CVE-2011-5227 in the critical feed json

Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote…

published 2012-10-25 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-5127

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
77.0%
EPSS 77.0% chance of exploitation in 30 days, percentile 99.5%
public exploits
2
Metasploit, Exploit-DB

Summary

Stack-based buffer overflow in the Syslog service (nssyslogd.exe) in Enterasys Network Management Suite (NMS) before 4.1.0.80 allows remote attackers to execute arbitrary code via a long PRIO field in a message to UDP port 514.

Timeline

  1. First public exploit (Metasploit exploit/windows/misc/enterasys_netsight_syslog_bof)
  2. Published

Exploit prediction

76.95% chance of exploitation in the next 30 days, higher than 99.5% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 10.0 AV:N/AC:L/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.