CVE-2000-0955

CVE-2000-0955 is a high-severity vulnerability in Cisco Virtual Central Office 4000 with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2000-0955?
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.
How severe is CVE-2000-0955?
CVE-2000-0955 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2000-0955 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (76th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2000-0955?
CVE-2000-0955 affects Cisco Virtual Central Office 4000. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2000-0955?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2000-0955 published?
CVE-2000-0955 was published on 2000-12-19 and last updated on 2026-06-16.

References

Affected products (1)