CVE-2020-8286

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Summary

CVECVE-2020-8286
StatePUBLISHED
Assignerhackerone
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-12-14 20:15:14 UTC
Updated2026-10-14 09:17:20 UTC
Descriptioncurl 7.41.0 through 7.73.0 is vulnerable to an improper check for certificate revocation due to insufficient verification of the OCSP response.

Risk And Classification

Primary CVSS: v3.1 7.5 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Problem Types: CWE-295 | CWE-295 Improper Certificate Validation (CWE-295)

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
2.0[email protected]Primary5AV:N/AC:L/Au:N/C:N/I:P/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None

AV:N/AC:L/Au:N/C:N/I:P/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Apple Mac Os X All All All All
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All
Application Haxx Libcurl All All All All
Application Netapp Clustered Data Ontap - All All All
Operating System Netapp Hci Bootstrap Os - All All All
Hardware Netapp Hci Compute Node - All All All
Application Netapp Hci Management Node - All All All
Hardware Netapp Hci Storage Node - All All All
Operating System Netapp Hci Storage Node Firmware - All All All
Application Netapp Solidfire - All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Https//github.com/curl/curl affected 7.41.0 to and including 7.73.0 Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified
ADP Siemens SIPLUS S7-1500 CPU 1518-4 PN/DP MFP affected V3.1.0 V3.1.5 custom Not specified

References

ReferenceSourceLinkTags
December 2020 cURL/libcURL Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-398330.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
Oracle Critical Patch Update Advisory - April 2022 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Patch, Third Party Advisory
Oracle Critical Patch Update Advisory - July 2021 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
[SECURITY] Fedora 33 Update: curl-7.71.1-8.fc33 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
cert-portal.siemens.com/productcert/html/ssa-200951.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
[SECURITY] [DLA 2500-1] curl security update af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
cURL: Multiple vulnerabilities (GLSA 202012-14) — Gentoo security af854a3a-2127-422b-91ae-364da2661108 security.gentoo.org Third Party Advisory
curl - Inferior OCSP verification - CVE-2020-8286 af854a3a-2127-422b-91ae-364da2661108 curl.se Vendor Advisory
cert-portal.siemens.com/productcert/html/ssa-389290.html 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e cert-portal.siemens.com
About the security content of Security Update 2021-002 Catalina - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
Oracle Critical Patch Update Advisory - April 2021 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
About the security content of macOS Big Sur 11.3 - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
HackerOne af854a3a-2127-422b-91ae-364da2661108 hackerone.com Exploit, Patch, Third Party Advisory
Full Disclosure: APPLE-SA-2021-04-26-4 Security Update 2021-003 Mojave af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
About the security content of Security Update 2021-003 Mojave - Apple Support af854a3a-2127-422b-91ae-364da2661108 support.apple.com Third Party Advisory
[SECURITY] Fedora 32 Update: curl-7.69.1-7.fc32 - package-announce - Fedora Mailing-Lists af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Mailing List, Third Party Advisory
Full Disclosure: APPLE-SA-2021-04-26-2 macOS Big Sur 11.3 af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Full Disclosure: APPLE-SA-2021-04-26-3 Security Update 2021-002 Catalina af854a3a-2127-422b-91ae-364da2661108 seclists.org Mailing List, Third Party Advisory
Debian -- Security Information -- DSA-4881-1 curl af854a3a-2127-422b-91ae-364da2661108 www.debian.org Third Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Patch, Third Party Advisory
cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf af854a3a-2127-422b-91ae-364da2661108 cert-portal.siemens.com Third Party Advisory
[SECURITY] Fedora 32 Update: curl-7.69.1-7.fc32 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
[SECURITY] Fedora 33 Update: curl-7.71.1-8.fc33 - package-announce - Fedora Mailing-Lists MITRE lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 12304 McAfee Web Gateway Product Multiple Vulnerabilities (WP-2326,WP-3443)
  • 159196 Oracle Enterprise Linux Security Update for curl (ELSA-2021-1610)
  • 178522 Debian Security Update for curl (DSA 4881-1)
  • 239328 Red Hat Update for curl (RHSA-2021:1610)
  • 239451 Red Hat Update for Red Hat JBoss Core Services Apache HTTP Server 2.4.37 SP8 (RHSA-2021:2472)
  • 296067 Oracle Solaris 11.4 Support Repository Update (SRU) 33.94.0 Missing (CPUAPR2021)
  • 352506 Amazon Linux Security Advisory for curl: ALAS2-2021-1693
  • 375482 Oracle PeopleSoft Enterprise PeopleTools Product Multiple Vulnerabilities (CPUAPR2021)
  • 375503 Apple MacOS Big Sur 11.3 Not Installed (HT212325)
  • 375507 Apple macOS Security Update 2021-002 Catalina (HT212326)
  • 375510 Apple macOS Security Update 2021-003 Mojave (HT212327)
  • 376969 NetApp Clustered Data Open Network Technology for Appliance Products (ONTAP) Disclosure of Sensitive Information Vulnerability (NTAP-20210122-0007)
  • 377396 Alibaba Cloud Linux Security Update for curl (ALINUX3-SA-2021:0078)
  • 378599 Splunk Enterprise Third Party Package Updates for June (SVD-2023-0613)
  • 378883 Splunk Enterprise August Third Party Package Updates (SVD-2023-0808)
  • 44183 Juniper Network Operating System (Junos OS) Multiple Security Vulnerabilites (JSA79108)
  • 500132 Alpine Linux Security Update for curl
  • 501396 Alpine Linux Security Update for curl
  • 503888 Alpine Linux Security Update for curl
  • 590737 Siemens SIMATIC TIM libcurl Multiple Vulnerabilities (ICSA-21-159-10)
  • 590738 Siemens Industrial Products LLDP Multiple Vulnerabilities (ICSA-21-194-07)
  • 591406 Siemens SIMATIC S7-1500 CPU GNU/Linux subsystem Multiple Vulnerabilities (SSB-439005, ICSA-22-104-13)
  • 690348 Free Berkeley Software Distribution (FreeBSD) Security Update for curl (3c77f139-3a09-11eb-929d-d4c9ef517024)
  • 750055 SUSE Enterprise Linux Security Update for curl (SUSE-SU-2021:1786-1)
  • 750490 OpenSUSE Security Update for curl (openSUSE-SU-2020:2249-1)
  • 750492 OpenSUSE Security Update for curl (openSUSE-SU-2020:2238-1)
  • 900155 CBL-Mariner Linux Security Update for curl 7.68.0
  • 902979 Common Base Linux Mariner (CBL-Mariner) Security Update for curl (3666)
  • 940000 AlmaLinux Security Update for curl (ALSA-2021:1610)
  • 960740 Rocky Linux Security Update for curl (RLSA-2021:1610)

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