CVE-2000-0955

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 91.9%
KEV: Not listed

Published

December 19, 2000

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://www.atstake.com/research/advisories/2000/a102600-1.txt
cve@mitrehttp://www.securityfocus.com/bid/1885
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/5425
af854a3a-2127-422b-91ae-364da2661108http://www.atstake.com/research/advisories/2000/a102600-1.txt
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/1885
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/5425

Data Freshness Timeline

(refreshed 11× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-21 22:38 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-20372✓ verified
First seen Oct 26, 2000
Cisco Virtual Central Office 4000 (VCO/4K) 5.1.3 - Remote Username / Password Retrieval
Open source ↗

Frequently asked(4)

What is CVE-2000-0955?

CVE-2000-0955 is a none vulnerability published on December 19, 2000. 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.

When was CVE-2000-0955 disclosed?

CVE-2000-0955 was first published in the National Vulnerability Database on December 19, 2000, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2000-0955 actively exploited?

CVE-2000-0955 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 91.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2000-0955?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2000-0955, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2000-0955

Explore →

Is Your Infrastructure Affected by CVE-2000-0955?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2000-0955

📅 Published

🔄 Last Modified

🔗 References (6)