How severe is CVE-2024-54661?

CVE-2024-54661 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2024-54661 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2024-54661?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2024-54661 have an EU (EUVD) identifier?

Yes. CVE-2024-54661 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52644.

When was CVE-2024-54661 published?

CVE-2024-54661 was published on 2024-12-04 and last updated on 2026-06-17.

CVE-2024-54661

CVE-2024-54661 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-61.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-52644
Weakness: CWE-61
Published: 2024-12-04
Last modified: 2026-06-17

Description

readline.sh in socat before1.8.0.2 relies on the /tmp/$USER/stderr2 file.

Frequently asked questions

What is CVE-2024-54661?: readline.sh in socat before1.8.0.2 relies on the /tmp/$USER/stderr2 file.
How severe is CVE-2024-54661?: CVE-2024-54661 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2024-54661 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2024-54661?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2024-54661 have an EU (EUVD) identifier?: Yes. CVE-2024-54661 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-52644.
When was CVE-2024-54661 published?: CVE-2024-54661 was published on 2024-12-04 and last updated on 2026-06-17.

References

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