CVE & CISA-KEV Catalog

CVE-2024-31948

MEDIUM
6.5
CVSS v3
NVD

Description

In FRRouting (FRR) through 9.1, an attacker using a malformed Prefix SID attribute in a BGP UPDATE packet can cause the bgpd daemon to crash.

CWE-1287Improper Validation of Specified Type of Input

How to fix

Remediation Available
frrDebian
Fixed in:7.5.1-1.1+deb11u3CVE-2024-31948
Fixed in:10.0.1-0.1CVE-2024-31948
Fixed in:10.0.1-0.1CVE-2024-31948
frrUbuntu
Fixed in:7.2.1-1ubuntu0.2+esm2USN-6807-1
Fixed in:8.1-1ubuntu1.10USN-6794-1
Fixed in:8.4.4-1.1ubuntu1.4USN-6794-1
Fixed in:8.4.4-1.1ubuntu6.1USN-6794-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityNone
IntegrityNone
AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.83%probability of exploitation in 30 days
53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Third-Party Advisory1
Mailing List1
Other references1
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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-04.