CVE-2023-31490
HIGHCVSS 7.5/10EPSS 2.15%
Last modified
CVE-2023-31490 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 2.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Frrouting | Frrouting | 8.4.2 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
| Debian | Debian Linux | 12.0 |
| Fedoraproject | Fedora | 37 |
| Fedoraproject | Fedora | 38 |
| Fedoraproject | Fedora | 39 |
References
- https://github.com/FRRouting/frr/issues/13099Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/Mailing List, Third Party Advisory
- https://www.debian.org/security/2023/dsa-5495Third Party Advisory
- https://github.com/FRRouting/frr/issues/13099Exploit, Issue Tracking, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/09/msg00020.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JLG64IF3FU7V76K4TKCCXVNEE6P2VUDO/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LMJNX44SMJM25JZO7XWHDQCOB4SNJPIE/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WXR6PIVY4SWO7HDT4EY733H4X32SCPM4/Mailing List, Third Party Advisory
- https://www.debian.org/security/2023/dsa-5495Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-31490?
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.
How severe is CVE-2023-31490?
CVE-2023-31490 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.15% probability of exploitation in the next 30 days.
How do I fix CVE-2023-31490?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2023-31490?
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