Skip to content
fr Sign in
6.0 Medium

CVE-2021-34708 Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only…

Description

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

Affected products and versions

Product Affected versions Fixed in
Cisco IOS XR Software Versions not published

References

Timeline

  1. Published
  2. Last modified

Other CVEs of Cisco IOS XR Software

The 115 CVEs of Cisco IOS XR Software →
CVE-2026-76505 A vulnerability in the IPv4 packet processing functionality of Cisco IOS XR Software that affects Cisco ASR 9000 and… 7.5 High CVE-2026-20278 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering… 8.8 High CVE-2026-20280 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software… 8.8 High CVE-2026-20279 As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco IOS XR Software engineering… 9.8 Critical
Track this CVE