CVE-2020-8286
HIGHCVSS 7.5/10EPSS 4.58%
Last modified
CVE-2020-8286 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 4.58% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Haxx | Libcurl | >= 7.41.0, < 7.74.0 |
| Fedoraproject | Fedora | 32 |
| Fedoraproject | Fedora | 33 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Netapp | Clustered Data Ontap | All versions |
| Netapp | Hci Management Node | All versions |
| Netapp | Solidfire | All versions |
| Netapp | Hci Bootstrap Os | All versions |
| Netapp | Hci Storage Node Firmware | All versions |
| Apple | Mac Os X | < 10.14.6 |
| Apple | Mac Os X | >= 10.15, < 10.15.7 |
| Apple | Mac Os X | 10.14.6 |
| Apple | Mac Os X | 10.15.7 |
| Apple | Macos | >= 11.0, < 11.3 |
| Siemens | Simatic Tim 1531 Irc Firmware | <= 2.2 |
| Siemens | Sinec Infrastructure Network Services | < 1.0.1.1 |
| Oracle | Communications Billing And Revenue Management | 12.0.0.3.0 |
| Oracle | Communications Cloud Native Core Policy | 1.14.0 |
| Oracle | Essbase | 21.2 |
| Oracle | Peoplesoft Enterprise Peopletools | 8.58 |
| Splunk | Universal Forwarder | >= 8.2.0, < 8.2.12 |
| Splunk | Universal Forwarder | >= 9.0.0, < 9.0.6 |
| Splunk | Universal Forwarder | 9.1.0 |
References
- http://seclists.org/fulldisclosure/2021/Apr/50Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/51Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/54Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8286.htmlVendor Advisory
- https://hackerone.com/reports/1048457Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210122-0007/Third Party Advisory
- https://support.apple.com/kb/HT212325Third Party Advisory
- https://support.apple.com/kb/HT212326Third Party Advisory
- https://support.apple.com/kb/HT212327Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/50Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/51Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/54Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdfThird Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdfPatch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8286.htmlVendor Advisory
- https://hackerone.com/reports/1048457Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/Mailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202012-14Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210122-0007/Third Party Advisory
- https://support.apple.com/kb/HT212325Third Party Advisory
- https://support.apple.com/kb/HT212326Third Party Advisory
- https://support.apple.com/kb/HT212327Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlThird Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.htmlPatch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8286?
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.
How severe is CVE-2020-8286?
CVE-2020-8286 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 4.58% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8286?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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