7.5

CVE-2023-38802: debian debian_linux

CVSS: 7.5v3.1HighModified
AliasesRHSA-2023:5194RHSA-2023:5195RHSA-2023:5196
Published 29-08-2023Last modified 02-10-2024

Vulnerability summary

CVE-2023-38802 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 1.78% chance of exploitation in the next 30 days, higher than 77.9% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
40/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
1.78%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 10 · Related 8

Timeline

  1. 29-08-2023
    PublishedVulnerability first disclosed.
  2. 02-10-2024
    Last modifiedVulnerability information updated.

Description

FRRouting FRR 7.5.1 through 9.0 and Pica8 PICOS 4.3.3.2 allow a remote attacker to cause a denial of service via a crafted BGP update with a corrupted attribute 23 (Tunnel Encapsulation).

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

1.78%

Chance of exploitation in the next 30 days

Percentile

78%

Versus all other CVEs

30-day change

0.00 pp

From 1.78% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.78%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (blog.benjojo.co.uk)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Redhat5 products
  • frr< 0:8.3.1-5.el9_2.2 | < 0:7.5-11.el8_6.2 | < 0:7.5-4.el8_4.4 | < 0:7.5.1-7.el8_8.2 | < 0:8.0-5.el9_0.1 | < 0:7.0-5.el8_1.1 | < 0:7.0-5.el8_2.1
  • frr-contrib< 0:7.0-5.el8_1.1 | < 0:7.0-5.el8_2.1
  • frr-debuginfo< 0:8.3.1-5.el9_2.2 | < 0:7.5-11.el8_6.2 | < 0:7.5-4.el8_4.4 | < 0:7.5.1-7.el8_8.2 | < 0:8.0-5.el9_0.1 | < 0:7.0-5.el8_1.1 | < 0:7.0-5.el8_2.1
  • frr-debugsource< 0:8.3.1-5.el9_2.2 | < 0:7.5-11.el8_6.2 | < 0:7.5-4.el8_4.4 | < 0:7.5.1-7.el8_8.2 | < 0:8.0-5.el9_0.1 | < 0:7.0-5.el8_1.1 | < 0:7.0-5.el8_2.1
  • frr-selinux< 0:8.3.1-5.el9_2.2 | < 0:7.5.1-7.el8_8.2
Debian2 products
  • frr< 8.4.4-1.1~deb12u1 | < 8.4.4-1.1
  • debian_linuxEOL10.0 | 11.0 | 12.0
Fedoraproject1 product
Frrouting1 product
Pica81 product
Ubuntu1 product
  • frr< 7.2.1-1ubuntu0.2+esm2 | < 8.1-1ubuntu1.5

6 vendors · 11 products

References

35 links
Show all 35 references