How severe is CVE-2023-38283?

CVE-2023-38283 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2023-38283 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38283?

CVE-2023-38283 affects Openbgpd. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38283?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-38283 published?

CVE-2023-38283 was published on 2023-08-29 and last updated on 2026-06-17.

CVE-2023-38283

CVE-2023-38283 is a medium-severity vulnerability in Openbgpd with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-754.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-754
Affected product: Openbgpd
Published: 2023-08-29
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-38283?: 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.
How severe is CVE-2023-38283?: CVE-2023-38283 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2023-38283 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38283?: CVE-2023-38283 affects Openbgpd. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38283?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-38283 published?: CVE-2023-38283 was published on 2023-08-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:openbgpd:openbgpd:*:*:*:*:*:*:*:*

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