CVE-2020-25659

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

python-cryptography 3.2 is vulnerable to Bleichenbacher timing attacks in the RSA decryption API, via timed processing of valid PKCS#1 v1.5 ciphertext.

References

https://github.com/pyca/cryptography/pull/5507/commits/ce1bef6f1ee06ac497ca0c837fbd1c7ef6c2472b

Details

Source: MITRE

Published: 2021-01-11

Updated: 2021-01-19

Type: CWE-385

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.9

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

Impact Score: 3.6

Exploitability Score: 2.2

Severity: MEDIUM

Tenable Plugins

View all (9 total)

IDNameProductFamilySeverity
154108Juniper Junos OS Vulnerability (JSA11245)NessusJunos Local Security Checks
medium
152781RHEL 7 : rh-python38 (RHSA-2021:3254)NessusRed Hat Local Security Checks
critical
149969Oracle Linux 8 : python-cryptography (ELSA-2021-1608)NessusOracle Linux Local Security Checks
critical
149778CentOS 8 : python-cryptography (CESA-2021:1608)NessusCentOS Local Security Checks
critical
149686RHEL 8 : python-cryptography (RHSA-2021:1608)NessusRed Hat Local Security Checks
critical
143836SUSE SLES12 Security Update : python-cryptography (SUSE-SU-2020:3629-1)NessusSuSE Local Security Checks
medium
143680SUSE SLED15 / SLES15 Security Update : python-cryptography (SUSE-SU-2020:3592-1)NessusSuSE Local Security Checks
medium
143511openSUSE Security Update : python-cryptography (openSUSE-2020-2173)NessusSuSE Local Security Checks
medium
142368Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS / 20.10 : python-cryptography vulnerability (USN-4613-1)NessusUbuntu Local Security Checks
medium