CVE detail

CVE-2020-3566 — Cisco IOS XR Software DVMRP Memory Exhaustion Vulnerability

Published 2021-11-03 · Modified 2021-11-03 · Source kev

HIGH

severity

CVSS-derived band

n/a

CVSS v3

0–10 scale

0.0370

EPSS probability

exploitation probability, 30d

89.0%

EPSS percentile

percentile vs all CVEs

LISTED

CISA KEV

due 2022-05-03

Description

Cisco IOS XR Distance Vector Multicast Routing Protocol (DVMRP) incorrectly handles Internet Group Management Protocol (IGMP) packets. Exploitation could allow an unauthenticated, remote attacker to immediately crash the IGMP process or make it consume available memory and eventually crash.

Remediation

No vendor-published fix data in our corpus for this CVE. Check the references below or the vendor's PSIRT / security advisories page.

References

cvedb.io · NVD · CISA KEV · FIRST EPSS · vendor advisories (CVE Program List v5). Informational only, no warranty — verify every remediation against the vendor advisory before acting on it. This product uses data from the NVD API but is not endorsed or certified by the NVD, CISA, FIRST.org or any vendor named. CVE® is a registered trademark of The MITRE Corporation.