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Fencer Vulns
critical 10.0

CVE-2002-1359 in the critical feed json

Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote attackers to cause a denial…

published 2002-12-17 23 y ago modified 2026-06-16 4 mo ago also EUVD-2002-1343

cvss
10.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
80.2%
EPSS 80.2% chance of exploitation in 30 days, percentile 99.6%
public exploits
3
Metasploit, Exploit-DB

Summary

Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code via buffer overflow attacks, as demonstrated by the SSHredder SSH protocol test suite.

Timeline

  1. First public exploit (Metasploit exploit/windows/ssh/putty_msg_debug)
  2. Published

Exploit prediction

80.23% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

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-20 Improper Input Validation
Technology feeds

References

Sources

Fencer Vulns 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.