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CVE-2024-0853

MEDIUMCVSS 5.3/10EPSS 1.10%

Last modified

CVE-2024-0853 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.

Metrics

CVSS 3.1
5.3/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

EPSS Probability
1.10%

61.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HaxxCurl8.5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2024-0853?
curl inadvertently kept the SSL session ID for connections in its cache even when the verify status (*OCSP stapling*) test failed. A subsequent transfer to the same hostname could then succeed if the session ID cache was still fresh, which then skipped the verify status check.
How severe is CVE-2024-0853?
CVE-2024-0853 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2024-0853?
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.

Are you affected by CVE-2024-0853?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST