Riskcovery

CVE-2025-20189

State
Published
Severity
7.4 High
Published
May 7, 2025
Updated
May 7, 2025
Reserved
Oct 10, 2024

Read the record on cve.org

Description

A vulnerability in the Cisco Express Forwarding functionality of Cisco IOS XE Software for Cisco ASR 903 Aggregation Services Routers with Route Switch Processor 3 (RSP3C) could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition. This vulnerability is due to improper memory management when Cisco IOS XE Software is processing Address Resolution Protocol (ARP) messages. An attacker could exploit this vulnerability by sending crafted ARP messages at a high rate over a period of time to an affected device. A successful exploit could allow the attacker to exhaust system resources, which eventually triggers a reload of the active route switch processor (RSP). If a redundant RSP is not present, the router reloads.

Scores

CVSSScoreVectorSource
3.17.4 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:Hcisco

Weaknesses

  • CWE-762 Mismatched Memory Management Routines

Affected Products

ProductVersions
Cisco IOS XE SoftwareCisco
  • 3.16.0SAffected
  • 3.16.1SAffected
  • 3.16.1aSAffected
  • 3.16.2SAffected
  • 3.16.2aSAffected
  • 3.16.0cSAffected
  • 3.16.3SAffected
  • 3.16.2bSAffected
  • 3.16.3aSAffected
  • 3.16.4SAffected
  • 3.16.4aSAffected
  • 3.16.4bSAffected
  • 3.16.5SAffected
  • 3.16.4dSAffected
  • 3.16.6SAffected
  • 3.16.7SAffected
  • 3.16.6bSAffected
  • 3.16.7aSAffected
  • 3.16.7bSAffected
  • 3.16.8SAffected
  • 3.16.9SAffected
  • 3.16.10SAffected
  • 3.17.0SAffected
  • 3.17.1SAffected
  • 3.17.2SAffected
  • and 241 more versions

References

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