CVE detail

CVE-1999-0063 — CVE-1999-0063

Published 1999-01-11 · Modified 2026-06-16 · Vendor cisco · Product ios · Source nvd

UNKNOWN

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.0825

EPSS probability

exploitation probability, 30d

94.0%

EPSS percentile

percentile vs all CVEs

NOT LISTED

CISA KEV

known exploited catalog

Description

Cisco IOS 12.0 and other versions can be crashed by malicious UDP packets to the syslog port.

Remediation

Product	Vulnerable range	Fixed version	Advisory
n/a n/a	—	not specified	advisory ↗

References

NVD entry ↗
CVE.org record ↗
https://exchange.xforce.ibmcloud.com/vulnerabilities/CVE-1999-0063

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