6.5
MEDIUM CVSS 3.1
CVE-2024-31949
FRRouting BGP Infinite Loop Vulnerability
Description

In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.

INFO

Published Date :

April 7, 2024, 9:15 p.m.

Last Modified :

May 1, 2025, 2:47 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2024-31949 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Frrouting frrouting
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Upgrade the FRRouting packages to address the BGP infinite loop vulnerability.
  • Update the affected FRRouting packages.
  • Upgrade the FRRouting packages.
References to Advisories, Solutions, and Tools
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2024-31949 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2024-31949 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2024-31949 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2024-31949 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    May. 01, 2025

    Action Type Old Value New Value
    Added CWE CWE-835
    Added CPE Configuration OR *cpe:2.3:a:frrouting:frrouting:*:*:*:*:*:*:*:* versions up to (including) 9.1
    Added Reference Type CVE: https://github.com/FRRouting/frr/pull/15640 Types: Issue Tracking
    Added Reference Type MITRE: https://github.com/FRRouting/frr/pull/15640 Types: Issue Tracking
    Added Reference Type CVE: https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b Types: Patch
    Added Reference Type MITRE: https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b Types: Patch
    Added Reference Type CVE: https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html Types: Mailing List
    Added Reference Type MITRE: https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html Types: Mailing List
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Mar. 13, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/FRRouting/frr/pull/15640
    Added Reference https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b
    Added Reference https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Apr. 28, 2024

    Action Type Old Value New Value
    Added Reference MITRE https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html [No types assigned]
  • CVE Received by [email protected]

    Apr. 07, 2024

    Action Type Old Value New Value
    Added Description In FRRouting (FRR) through 9.1, an infinite loop can occur when receiving a MP/GR capability as a dynamic capability because malformed data results in a pointer not advancing.
    Added Reference MITRE https://github.com/FRRouting/frr/pull/15640 [No types assigned]
    Added Reference MITRE https://github.com/FRRouting/frr/pull/15640/commits/30a332dad86fafd2b0b6c61d23de59ed969a219b [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact