CVE-2024-08535.3MediumCWE-299

CVE-2024-0853: OCSP verification bypass with TLS session reuse

curl

Affected: curl · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.1%probability of exploitation in the next 30 days

66th percentile

050100

Higher than 66% of scored CVEs

5.3MediumCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

curl · curlfrom 8.5.0 up to and including 8.5.0

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Improper Check for Certificate Revocation · Cryptography
Vendor: curl
Published: February 2024
Band: Possible (1 to 10%), February 2024
Bounty reports: 1 disclosed on HackerOne

Disclosed bug bounty reports about CVE-2024-0853

The reports on HackerOne that name this CVE, with HackerOne's own outcome. Titles and metadata only.

CVE-2026-7009: OCSP stapling bypass with Apple SecTrustcurl · 2026 · medium severityValid

CoverageNo articles yet

No CyberSIXT article names CVE-2024-0853 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.