MEDIUM

CVE-2023-31489

CVSS v3

5.5

MEDIUM

EPSS Score

1.0 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

frrAlmaLinux:9all versions · fixed in 8.5.3-4.el9and 1 other package

Vendor advisories

CVE-2023-31489 Red Hat Product Security14 products fixed
frr: incorrect length check in bgp_capability_llgr() can lead do DoS
RHSA-2024:2156 Red Hat Product Security14 products fixed
Red Hat Security Advisory: frr security update
ICSA-24-046-11 CISA11 known affected
Siemens SCALANCE XCM-/XRM-300
SCALANCE XCH328 (6GK5328-4TS01-2EC2) · SCALANCE XCM324 (6GK5324-8TS01-2AC2) · SCALANCE XCM328 (6GK5328-4TS01-2AC2)
SSA-806742 Siemens ProductCERT11 known affected
SSA-806742: Multiple Vulnerabilities in SCALANCE XCM-/XRM-300 before V2.4
SCALANCE XCH328 (6GK5328-4TS01-2EC2) · SCALANCE XCM324 (6GK5324-8TS01-2AC2) · SCALANCE XCM328 (6GK5328-4TS01-2AC2)

Full record on NVD

Description

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.

Technical details

Published: 2023-05-09

Frequently asked questions

What is CVE-2023-31489?

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_capability_llgr() function.

Is CVE-2023-31489 actively exploited?

Active exploitation of CVE-2023-31489 has not been confirmed. Its EPSS score was 1.0% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2023-31489?

CVE-2023-31489 has a CVSS v3 base score of 5.5 (MEDIUM severity).

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