CVE-1999-0221
CVE-1999-0221 is a medium-severity vulnerability in Lucent Ascend Routers with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 2.0 base score 5.0)
- EPSS exploit prediction: 1% (69th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Lucent Ascend Routers
- Published:
- Last modified:
Description
Denial of service of Ascend routers through port 150 (remote administration).
Frequently asked questions
- What is CVE-1999-0221?
- Denial of service of Ascend routers through port 150 (remote administration).
- How severe is CVE-1999-0221?
- CVE-1999-0221 has a CVSS 2.0 base score of 5.0, rated medium severity.
- Is CVE-1999-0221 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-1999-0221?
- CVE-1999-0221 affects Lucent Ascend Routers. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-1999-0221?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-1999-0221 published?
- CVE-1999-0221 was published on 1999-03-01 and last updated on 2026-06-16.
References
Affected products (1)
- cpe:2.3:h:lucent:ascend_routers:*:*:*:*:*:*:*:*