How severe is CVE-2023-31889?

CVE-2023-31889 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-31889 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2023-31889?

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

Does CVE-2023-31889 have an EU (EUVD) identifier?

Yes. CVE-2023-31889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36179.

When was CVE-2023-31889 published?

CVE-2023-31889 was published on 2024-04-29 and last updated on 2026-06-17.

CVE-2023-31889

CVE-2023-31889 is a medium-severity vulnerability with a CVSS 3.x base score of 5.5. 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-36179
Weakness: CWE-400
Published: 2024-04-29
Last modified: 2026-06-17

Description

An issue discovered in httpd in ASUS RT-AC51U with firmware version up to and including 3.0.0.4.380.8591 allows local attackers to cause a denial of service via crafted GET request.

Frequently asked questions

What is CVE-2023-31889?: An issue discovered in httpd in ASUS RT-AC51U with firmware version up to and including 3.0.0.4.380.8591 allows local attackers to cause a denial of service via crafted GET request.
How severe is CVE-2023-31889?: CVE-2023-31889 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-31889 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2023-31889?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-31889 have an EU (EUVD) identifier?: Yes. CVE-2023-31889 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-36179.
When was CVE-2023-31889 published?: CVE-2023-31889 was published on 2024-04-29 and last updated on 2026-06-17.

References

https://gitlab.com/donnm/cves/-/blob/master/dos_rtac51u_httpd.md

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