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Fencer Vulns
high 7.5

CVE-2000-0955 json

Cisco Virtual Central Office 4000 (VCO/4K) uses weak encryption to store usernames and passwords in the SNMP MIB, which allows an attacker…

published 2000-11-29 25 y ago modified 2026-09-23 46 d ago also EUVD-2000-0942

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.8%
EPSS 1.8% chance of exploitation in 30 days, percentile 79%
public exploits
1
Exploit-DB

Summary

Cisco Virtual Central Office 4000 (VCO/4K) uses weak encryption to store usernames and passwords in the SNMP MIB, which allows an attacker who knows the community name to crack the password and gain privileges.

Patch / fix

Timeline

  1. First public exploit (EDB-20372)
  2. Published

Exploit prediction

1.84% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-20372 Cisco Virtual Central Office 4000 (VCO/4K) 5.1.3 - Remote Username / Password Retrieval remote, 2000-10-26
  • securityfocus.com http://www.securityfocus.com/bid/1885 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

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.