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TI-2023-21971 Aliases CVE-2023-41376GHSA-q4c3-fmw8-m6gp

Nokia Service Router Operating System (SR OS) 22.10 and SR Linux, when error-handling…

Priority HIGH 72CWE-670Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · None · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Nokia Service Router Operating System (SR OS) 22.10 and SR Linux, when error-handling update-fault-tolerance is not enabled, mishandle BGP path attributes.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00891 59th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:nokia:service_router_linux:-:*:*:*:*:*:*:*not specified by NVDVulnerableNokia
cpe:2.3:o:nokia:service_router_operating_system:22.10:*:*:*:*:*:*:*22.10VulnerableNokia
  • cpe:2.3:o:nokia:service_router_linux:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Nokia
  • cpe:2.3:o:nokia:service_router_operating_system:22.10:*:*:*:*:*:*:* Versions 22.10 Vulnerable ·Nokia

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-41376
  2. 2026-10-03 Alias added: GHSA-q4c3-fmw8-m6gp

References

Exploit 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences