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Case File

CVE-2011-4862

HIGH · CVSS 10 EPSS 95.10% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2011-12-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 10.0. Public exploit code or proof-of-concept references have been detected in its references. Its EPSS score suggests a 95.1% probability of exploitation in the next 30 days. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2011-4862
Severity
HIGH
CVSS
10
EPSS
95.10%

Original NVD Description

Buffer overflow in libtelnet/encrypt.c in telnetd in FreeBSD 7.3 through 9.0, MIT Kerberos Version 5 Applications (aka krb5-appl) 1.0.2 and earlier, Heimdal 1.5.1 and earlier, GNU inetutils, and possibly other products allows remote attackers to execute arbitrary code via a long encryption key, as exploited in the wild in December 2011.