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.
Fix
Patch, vendor advisory and mitigation references on NVD 8
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8286.html Vendor Advisory
- https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8286.html Vendor Advisory
- https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.5 · haxx, fedoraproject, debianNVD modified 2026-10-14 09:17
Affected (CPE criteria) 35
cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:hci_bootstrap_os:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:hci_storage_node_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:-:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2019-002:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-002:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-003:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-004:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-005:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-006:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2020-007:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.14.6:security_update_2021-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.15.7:-:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2020-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.15.7:security_update_2021-001:*:*:*:*:*:*cpe:2.3:o:apple:mac_os_x:10.15.7:supplemental_update:*:*:*:*:*:*cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*cpe:2.3:o:siemens:simatic_tim_1531_irc_firmware:*:*:*:*:*:*:*:*cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:*cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*
References 41
- http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/51 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/54 Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8286.html Vendor Advisory
- https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html Mailing 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/202012-14 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210122-0007/ Third Party Advisory
- https://support.apple.com/kb/HT212325 Third Party Advisory
- https://support.apple.com/kb/HT212326 Third Party Advisory
- https://support.apple.com/kb/HT212327 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881 Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/51 Mailing List, Third Party Advisory
- http://seclists.org/fulldisclosure/2021/Apr/54 Mailing List, Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf Third Party Advisory
- https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory
- https://curl.se/docs/CVE-2020-8286.html Vendor Advisory
- https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html Mailing 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/202012-14 Third Party Advisory
- https://security.netapp.com/advisory/ntap-20210122-0007/ Third Party Advisory
- https://support.apple.com/kb/HT212325 Third Party Advisory
- https://support.apple.com/kb/HT212326 Third Party Advisory
- https://support.apple.com/kb/HT212327 Third Party Advisory
- https://www.debian.org/security/2021/dsa-4881 Third Party Advisory
- https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory
- https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-200951.html
- https://cert-portal.siemens.com/productcert/html/ssa-389290.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html