5.9

CVE-2023-46753: frrouting Incorrect Authorization

CVSS: 5.9v3.1MediumModified
AliasesUBUNTU-CVE-2023-46753DEBIAN-CVE-2023-46753
Published 26-10-2023Last modified 04-11-2025
Open JSON

Vulnerability summary

CVE-2023-46753 is a medium (CVSS 5.9) Incorrect Authorization vulnerability in frrouting. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 55.2% of scored vulnerabilities.

Overall risk
24/100
0100
Low · default modelHow is this calculated?
CVSS score
5.9/10
010
Medium · v3.1 (NVD)
EPSS score
0.78%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 11 · Related 7
DLA-3797-1DLA-3865-1OPENSUSE-SU-2024:13387-1RHSA-2024:2156RHSA-2024:2981SUSE-SU-2023:4473-1

Timeline

  1. 26-10-2023
    PublishedVulnerability first disclosed.
  2. 04-11-2025
    Last modifiedVulnerability information updated.

Description

An issue was discovered in FRRouting FRR through 9.0.1. A crash can occur for a crafted BGP UPDATE message without mandatory attributes, e.g., one with only an unknown transit attribute.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.78%

Chance of exploitation in the next 30 days

Percentile

55%

Versus all other CVEs

30-day change

0.00 pp

From 0.78% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • frr< 7.2.1-1ubuntu0.2+esm2 | < 8.1-1ubuntu1.7
  • quaggaAll versions (No fix recorded) | < 1.2.4-4ubuntu0.4
Debian1 product
  • frrAll versions (No fix recorded) | < 9.1-0.1
Frrouting1 product

3 vendors · 4 products

References

10 links