CVE-2020-1971
Severity
5.9MEDIUM
EPSS
0.3%
top 43.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 8
Latest updateMay 24
Description
The X.509 GeneralName type is a generic type for representing different types of names. One of those name types is known as EDIPartyName. OpenSSL provides a function GENERAL_NAME_cmp which compares different instances of a GENERAL_NAME to see if they are equal or not. This function behaves incorrectly when both GENERAL_NAMEs contain an EDIPARTYNAME. A NULL pointer dereference and a crash may occur leading to a possible denial of service attack. OpenSSL itself uses the GENERAL_NAME_cmp function f…
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 2.2 | Impact: 3.6
Affected Packages31 packages
▶CVEListV5openssl/opensslFixed in OpenSSL 1.0.2x (Affected 1.0.2-1.0.2w), Fixed in OpenSSL 1.1.1i (Affected 1.1.1-1.1.1h)+1
Also affects: Debian Linux 10.0, 9.0, Fedora 32, 33
Patches
🔴Vulnerability Details
5📋Vendor Advisories
11Oracle▶
Oracle Oracle Enterprise Manager Risk Matrix: Discovery Framework (OpenSSL) — CVE-2020-1971↗2021-07-15