Vulnerability Monitor

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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.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 20 products from haxx, from fedoraproject, from debian and 17 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-12-14T20:15:14.043

Last Modified

2024-11-21T05:38:39.643

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Secondary
CWE-295
Type: Primary
CWE-295

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	haxx	libcurl	< 7.74.0	Yes
Operating System	fedoraproject	fedora	32	Yes
Operating System	fedoraproject	fedora	33	Yes
Operating System	debian	debian_linux	9.0	Yes
Operating System	debian	debian_linux	10.0	Yes
Application	netapp	clustered_data_ontap	-	Yes
Application	netapp	hci_management_node	-	Yes
Application	netapp	solidfire	-	Yes
Operating System	netapp	hci_bootstrap_os	-	Yes
Hardware	netapp	hci_compute_node	-	No
Operating System	netapp	hci_storage_node_firmware	-	Yes
Hardware	netapp	hci_storage_node	-	No
Operating System	apple	mac_os_x	< 10.14.6	Yes
Operating System	apple	mac_os_x	< 10.15.7	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.14.6	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	mac_os_x	10.15.7	Yes
Operating System	apple	macos	< 11.3	Yes
Operating System	siemens	simatic_tim_1531_irc_firmware	≤ 2.2	Yes
Hardware	siemens	simatic_tim_1531_irc	-	No
Application	siemens	sinec_infrastructure_network_services	< 1.0.1.1	Yes
Application	oracle	communications_billing_and_revenue_management	12.0.0.3.0	Yes
Application	oracle	communications_cloud_native_core_policy	1.14.0	Yes
Application	oracle	essbase	21.2	Yes
Application	oracle	peoplesoft_enterprise_peopletools	8.58	Yes
Application	splunk	universal_forwarder	< 8.2.12	Yes
Application	splunk	universal_forwarder	< 9.0.6	Yes
Application	splunk	universal_forwarder	9.1.0	Yes

References

http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Apr/51 Mailing List, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Apr/54 Mailing List, Third Party Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf Third Party Advisory ([email protected])
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory ([email protected])
https://curl.se/docs/CVE-2020-8286.html Vendor Advisory ([email protected])
https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory ([email protected])
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Mailing List, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202012-14 Third Party Advisory ([email protected])
https://security.netapp.com/advisory/ntap-20210122-0007/ Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212325 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212326 Third Party Advisory ([email protected])
https://support.apple.com/kb/HT212327 Third Party Advisory ([email protected])
https://www.debian.org/security/2021/dsa-4881 Third Party Advisory ([email protected])
https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory ([email protected])
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory ([email protected])
http://seclists.org/fulldisclosure/2021/Apr/50 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Apr/51 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2021/Apr/54 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-200951.pdf Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://curl.se/docs/CVE-2020-8286.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://hackerone.com/reports/1048457 Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2020/12/msg00029.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DAEHE2S2QLO4AO4MEEYL75NB7SAH5PSL/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZUVSQHN2ESHMJXNQ2Z7T2EELBB5HJXG/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202012-14 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20210122-0007/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212325 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212326 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.apple.com/kb/HT212327 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2021/dsa-4881 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com//security-alerts/cpujul2021.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuApr2021.html Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For haxx's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.