CVE-2023-38283

MEDIUMNVD 5.35.3—Elevated

5.3

In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 35.8%
KEV: Not listed

Published

August 29, 2023

Last Modified

November 21, 2024

References (10)

cve@mitrehttps://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
cve@mitrehttps://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig
cve@mitrehttps://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1
cve@mitrehttps://news.ycombinator.com/item?id=37305800
cve@mitrehttps://www.openbsd.org/errata73.html
af854a3a-2127-422b-91ae-364da2661108https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling
af854a3a-2127-422b-91ae-364da2661108https://ftp.openbsd.org/pub/OpenBSD/patches/7.3/common/006_bgpd.patch.sig
af854a3a-2127-422b-91ae-364da2661108https://github.com/openbgpd-portable/openbgpd-portable/releases/tag/8.1
af854a3a-2127-422b-91ae-364da2661108https://news.ycombinator.com/item?id=37305800
af854a3a-2127-422b-91ae-364da2661108https://www.openbsd.org/errata73.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-754

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

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Frequently asked(5)

What is CVE-2023-38283?

CVE-2023-38283 is a medium vulnerability published on August 29, 2023. In OpenBGPD before 8.1, incorrect handling of BGP update data (length of path attributes) set by a potentially distant remote actor may cause the system to incorrectly reset a session. This is fixed in OpenBSD 7.3 errata 006.

When was CVE-2023-38283 disclosed?

CVE-2023-38283 was first published in the National Vulnerability Database on August 29, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-38283 actively exploited?

CVE-2023-38283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-38283?

CVE-2023-38283 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2023-38283?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-38283, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2023-38283

📅 Published

🔄 Last Modified

🔗 References (10)