CVE-2020-8286
HIGH severity · CVSS 7.5 · CWE-295
7.5CVSS HIGH
Summary
curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)5%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf ↗
Additional information
- NVD record
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch
- https://hackerone.com/reports/1048457Patch
- https://curl.se/docs/CVE-2020-8286.htmlAdvisory
- http://seclists.org/fulldisclosure/2021/Apr/50Advisory
- http://seclists.org/fulldisclosure/2021/Apr/51Advisory
- http://seclists.org/fulldisclosure/2021/Apr/54Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdfAdvisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlAdvisory