How severe is CVE-2023-41376?

CVE-2023-41376 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-41376 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-41376?

CVE-2023-41376 primarily affects Nokia Service Router Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-41376?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-41376 published?

CVE-2023-41376 was published on 2023-08-29 and last updated on 2026-06-17.

CVE-2023-41376

CVE-2023-41376 is a high-severity vulnerability in Nokia Service Router Linux with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-670.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-670
Affected product: Nokia Service Router Linux
Published: 2023-08-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-41376?: 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.
How severe is CVE-2023-41376?: CVE-2023-41376 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-41376 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-41376?: CVE-2023-41376 primarily affects Nokia Service Router Linux. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-41376?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-41376 published?: CVE-2023-41376 was published on 2023-08-29 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:nokia:service_router_linux:-:*:*:*:*:*:*:*
cpe:2.3:o:nokia:service_router_operating_system:22.10:*:*:*:*:*:*:*

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