Detections
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Amazon Linux 2 : python-cryptography (ALAS-2025-2930)
high Nessus Plugin ID 241717
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Synopsis
The remote Amazon Linux 2 host is missing a security update.Description
It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2930 advisory.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. (CVE-2020-25659)
Tenable has extracted the preceding description block directly from the tested product security advisory.
Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.
Solution
Run 'yum update python-cryptography' to update your system.See Also
https://alas.aws.amazon.com//AL2/ALAS2-2025-2930.html
Plugin Details
Severity: High
ID: 241717
File Name: al2_ALAS-2025-2930.nasl
Version: 1.2
Type: local
Agent: unix
Published: 7/10/2025
Updated: 7/14/2025
Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus
Risk Information
VPR
Risk Factor: Low
Score: 3.6
CVSS v2
Risk Factor: Medium
Base Score: 4.3
Temporal Score: 3.2
Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N
CVSS Score Source: CVE-2020-25659
CVSS v3
Risk Factor: Medium
Base Score: 5.9
Temporal Score: 5.2
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
CVSS v4
Risk Factor: High
Base Score: 8.2
Threat Score: 4.6
Threat Vector: CVSS:4.0/E:U
Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Vulnerability Information
CPE: p-cpe:/a:amazon:linux:python-cryptography-debuginfo, cpe:/o:amazon:linux:2, p-cpe:/a:amazon:linux:python2-cryptography
Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list
Exploit Ease: No known exploits are available
Patch Publication Date: 7/10/2025
Vulnerability Publication Date: 10/27/2020
Reference Information
CVE: CVE-2020-25659