CVE-2000-0955

HIGH 7.5CVE-2000-0955 · Published 19/12/2000 · updated 23/09/2026

In short

CVE-2000-0955 is a HIGH (CVSS 7.5) vulnerability affecting virtual central office 4000 (cisco).
Chance of exploitation in the next 30 days (EPSS): 1.8%, higher than 79.1% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
virtual central office 4000 cisco	`≤ 5.1.3`	No fix yet

Description

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.

References

atstake.com/research/advisories/2000/a102600-1.txt · Patch
securityfocus.com/bid/1885 · Exploit
exchange.xforce.ibmcloud.com/vulnerabilities/5425

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Scan my site free