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CVE-2020-8286curl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP…
- 7.5HighCVSS base score
- 4.6%Exploitation in 30 daysEPSS · top 8.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By hackerone
- 11 months later
· 11 months later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 4.6% · top 8.2% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
https://github.com/curl/curl
- affected 7.41.0 to and including 7.73.0
References
References22
- https://hackerone.com/reports/1048457 (opens in a new tab)x_refsource_MISCx_transferred
- https://curl.se/docs/CVE-2020-8286.html (opens in a new tab)x_refsource_MISCx_transferred
- FEDORA-2020-ceaf490686 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- [debian-lts-announce] 20201219 [SECURITY] [DLA 2500-1] curl security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2020-7ab62c73bc (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- GLSA-202012-14 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- DSA-4881 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20210427 APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20210427 APPLE-SA-2021-04-26-2 macOS Big Sur 11.3 (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- 20210427 APPLE-SA-2021-04-26-4 Security Update 2021-003 Mojave (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- https://www.oracle.com/security-alerts/cpuApr2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://security.netapp.com/advisory/ntap-20210122-0007/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT212325 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT212326 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://support.apple.com/kb/HT212327 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://www.oracle.com//security-alerts/cpujul2021.html (opens in a new tab)x_refsource_MISCx_transferred
- https://www.oracle.com/security-alerts/cpuapr2022.html (opens in a new tab)x_refsource_MISCx_transferred
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-200951.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-29154 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-8286)Record last updated .