CVE-2023-31490: debian debian_linux
CVSS: 7.5v3.1HighModified
AliasesUBUNTU-CVE-2023-31490USN-6136-1DEBIAN-CVE-2023-31490
Published 09-05-2023Last modified 02-08-2024
Vulnerability summary
CVE-2023-31490 is a high (CVSS 7.5) vulnerability in debian debian_linux. EPSS estimates a 2.15% chance of exploitation in the next 30 days, higher than 81.8% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
2.15%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1github
Advisory lineage
Upstream 0 · Downstream 8 · Related 4Timeline
- 09-05-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgp_attr_psid_sub() function.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
2.15%
Chance of exploitation in the next 30 days
Percentile
82%
Versus all other CVEs
30-day change
0.00 pp
From 2.15% on 20-09-2026
20-09-202620-10-2026
EPSS score2.15%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundFrr
Maturity: poc
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian2 products
- frr< 8.4.4-1.1~deb12u1 | < 8.4.4-1
- debian_linuxEOL10.0 | 11.0 | 12.0
Fedoraproject1 product
- fedoraEOL37 | 38 | 39
Frrouting1 product
- frrouting8.4.2
Ubuntu1 product
- frr< 7.2.1-1ubuntu0.2+esm2 | < 8.1-1ubuntu1.4
4 vendors · 5 products