CVEvulnerability

CVE-2020-25658

5.9 MEDIUM Published 2020-11-12 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2020-11-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 3.1 ([email protected])
5.9 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:P/I:N/A:N
Weaknesses
CWE-327, CWE-385

Description

It was found that python-rsa is vulnerable to Bleichenbacher timing attacks. An attacker can use this flaw via the RSA decryption API to decrypt parts of the cipher text encrypted with RSA.

Affected configurations

• python-rsa project python-rsa (>= 2.1 < 4.7) • redhat openstack platform 13.0 • redhat openstack platform 16.0 • fedoraproject fedora 33 • fedoraproject fedora 34 • fedoraproject fedora 35

Related

Weakness · CWE (2)

  • CWE-327 Use of a Broken or Risky Cryptographic Algorithm weakness
  • CWE-385 Covert Timing Channel weakness

References