High
Security advisory
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.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-8286
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 07:36 UTC · Revision 1
Source evidence
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.
osv:CVE-2020-8286
Complete source record
{
"id": "533bf9e9f1dadead6a64b155f86917ee324cf43a759cc923c6e7499fb4cde7b2",
"url": "https://osv.dev/vulnerability/CVE-2020-8286",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-8286",
"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.",
"evidence": "osv:CVE-2020-8286",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2020-8286",
"aliases": [
"CURL-CVE-2020-8286",
"CVE-2020-8286"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/curl/curl",
"type": "GIT",
"events": [
{
"introduced": "ff837422ee4ec7d6aea7750a40e30cba29db93e8"
},
{
"fixed": "e052859759b34d0e05ce0f17244873e5cd7b457b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:haxx:libcurl:*:*:*:*:*:*:*:*",
"range": [
{
"introduced": "7.41.0"
},
{
"fixed": "7.74.0"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"versions": [
"curl-7_73_0",
"curl-7_72_0",
"curl-7_71_1",
"curl-7_71_0",
"curl-7_70_0",
"curl-7_69_1",
"curl-7_69_0",
"curl-7_68_0",
"curl-7_67_0",
"curl-7_66_0",
"curl-7_65_3",
"curl-7_65_2",
"curl-7_65_1",
"curl-7_65_0",
"curl-7_64_1",
"curl-7_64_0",
"curl-7_63_0",
"curl-7_62_0",
"curl-7_61_1",
"curl-7_61_0",
"curl-7_60_0",
"curl-7_59_0",
"curl-7_58_0",
"curl-7_57_0",
"curl-7_56_1",
"curl-7_56_0",
"curl-7_55_1",
"curl-7_55_0",
"curl-7_54_1",
"curl-7_54_0",
"curl-7_53_1",
"curl-7_53_0",
"curl-7_52_1",
"curl-7_52_0",
"curl-7_51_0",
"curl-7_50_3",
"curl-7_50_2",
"curl-7_50_1",
"curl-7_50_0",
"curl-7_49_1",
"curl-7_49_0",
"curl-7_48_0",
"curl-7_47_1",
"curl-7_47_0",
"curl-7_46_0",
"curl-7_45_0",
"curl-7_44_0",
"curl-7_43_0",
"curl-7_42_0",
"curl-7_41_0"
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-8286.json"
}
}
],
"modified": "2026-10-24T10:30:55.727484890Z",
"provider": "osv",
"references": [
"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",
"https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf",
"https://curl.se/docs/CVE-2020-8286.html",
"https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/",
"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/",
"https://security.gentoo.org/glsa/202012-14",
"https://security.netapp.com/advisory/ntap-20210122-0007/",
"https://support.apple.com/kb/HT212325",
"https://support.apple.com/kb/HT212326",
"https://support.apple.com/kb/HT212327",
"https://www.debian.org/security/2021/dsa-4881",
"https://www.oracle.com//security-alerts/cpujul2021.html",
"https://www.oracle.com/security-alerts/cpuApr2021.html",
"https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf",
"https://hackerone.com/reports/1048457",
"https://www.oracle.com/security-alerts/cpuapr2022.html"
],
"provider_metadata": {
"unresolved_ranges": [
{
"cpes": [
"cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*"
],
"vendor_product": "apple:mac_os_x",
"extracted_events": [
{
"range": [
{
"fixed": "10.14.6"
},
{
"introduced": "10.15"
},
{
"fixed": "10.15.7"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*"
],
"vendor_product": "apple:macos",
"extracted_events": [
{
"range": [
{
"introduced": "11.0"
},
{
"fixed": "11.3"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:o:siemens:simatic_tim_1531_irc_firmware:*:*:*:*:*:*:*:*"
],
"vendor_product": "siemens:simatic_tim_1531_irc_firmware",
"extracted_events": [
{
"range": [
{
"last_affected": "2.2"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*"
],
"vendor_product": "siemens:sinec_infrastructure_network_services",
"extracted_events": [
{
"range": [
{
"fixed": "1.0.1.1"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"cpe:2.3:a:splunk:universal_forwarder:*:*:*:*:*:*:*:*"
],
"vendor_product": "splunk:universal_forwarder",
"extracted_events": [
{
"range": [
{
"introduced": "8.2.0"
},
{
"fixed": "8.2.12"
},
{
"introduced": "9.0.0"
},
{
"fixed": "9.0.6"
}
],
"source": "CPE_RANGE"
}
]
},
{
"cpes": [
"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:*:*:*:*:*:*"
],
"vendor_product": "apple:mac_os_x",
"extracted_events": [
{
"range": [
{
"introduced": "10.14.6-NA"
},
{
"last_affected": "10.14.6-NA"
},
{
"introduced": "10.14.6-security_update_2019\\-001"
},
{
"last_affected": "10.14.6-security_update_2019\\-001"
},
{
"introduced": "10.14.6-security_update_2019\\-002"
},
{
"last_affected": "10.14.6-security_update_2019\\-002"
},
{
"introduced": "10.14.6-security_update_2020\\-001"
},
{
"last_affected": "10.14.6-security_update_2020\\-001"
},
{
"introduced": "10.14.6-security_update_2020\\-002"
},
{
"last_affected": "10.14.6-security_update_2020\\-002"
},
{
"introduced": "10.14.6-security_update_2020\\-003"
},
{
"last_affected": "10.14.6-security_update_2020\\-003"
},
{
"introduced": "10.14.6-security_update_2020\\-004"
},
{
"last_affected": "10.14.6-security_update_2020\\-004"
},
{
"introduced": "10.14.6-security_update_2020\\-005"
},
{
"last_affected": "10.14.6-security_update_2020\\-005"
},
{
"introduced": "10.14.6-security_update_2020\\-006"
},
{
"last_affected": "10.14.6-security_update_2020\\-006"
},
{
"introduced": "10.14.6-security_update_2020\\-007"
},
{
"last_affected": "10.14.6-security_update_2020\\-007"
},
{
"introduced": "10.14.6-security_update_2021\\-001"
},
{
"last_affected": "10.14.6-security_update_2021\\-001"
},
{
"introduced": "10.15.7-NA"
},
{
"last_affected": "10.15.7-NA"
},
{
"introduced": "10.15.7-security_update_2020\\-001"
},
{
"last_affected": "10.15.7-security_update_2020\\-001"
},
{
"introduced": "10.15.7-security_update_2021\\-001"
},
{
"last_affected": "10.15.7-security_update_2021\\-001"
},
{
"introduced": "10.15.7-supplemental_update"
},
{
"last_affected": "10.15.7-supplemental_update"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*",
"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
],
"vendor_product": "debian:debian_linux",
"extracted_events": [
{
"range": [
{
"introduced": "9.0"
},
{
"last_affected": "9.0"
},
{
"introduced": "10.0"
},
{
"last_affected": "10.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*",
"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*"
],
"vendor_product": "fedoraproject:fedora",
"extracted_events": [
{
"range": [
{
"introduced": "32"
},
{
"last_affected": "32"
},
{
"introduced": "33"
},
{
"last_affected": "33"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_billing_and_revenue_management:12.0.0.3.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_billing_and_revenue_management",
"extracted_events": [
{
"range": [
{
"introduced": "12.0.0.3.0"
},
{
"last_affected": "12.0.0.3.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:communications_cloud_native_core_policy:1.14.0:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:communications_cloud_native_core_policy",
"extracted_events": [
{
"range": [
{
"introduced": "1.14.0"
},
{
"last_affected": "1.14.0"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:essbase:21.2:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:essbase",
"extracted_events": [
{
"range": [
{
"introduced": "21.2"
},
{
"last_affected": "21.2"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:oracle:peoplesoft_enterprise_peopletools:8.58:*:*:*:*:*:*:*"
],
"vendor_product": "oracle:peoplesoft_enterprise_peopletools",
"extracted_events": [
{
"range": [
{
"introduced": "8.58"
},
{
"last_affected": "8.58"
}
],
"source": "CPE_STRING"
}
]
},
{
"cpes": [
"cpe:2.3:a:splunk:universal_forwarder:9.1.0:*:*:*:*:*:*:*"
],
"vendor_product": "splunk:universal_forwarder",
"extracted_events": [
{
"range": [
{
"introduced": "9.1.0"
},
{
"last_affected": "9.1.0"
}
],
"source": "CPE_STRING"
}
]
}
]
}
},
"related_cves": [
{
"value": "CVE-2020-8286",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 438488,
"published_at": "2020-12-14T20:15:14.043+00:00"
}