7.5High

Redhat Enterprise Linux

CVE-2023-50781

A flaw was found in m2crypto. This issue may allow a remote attacker to decrypt captured messages in TLS servers that use RSA key exchanges, which may lead to exposure of confidential or sensitive data.

What this means for your business

  • It affects Redhat Enterprise Linux. It matters if your company, or a supplier that handles your data, runs it.
  • An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.

What to do

  1. 1Check whether your company or your suppliers run Redhat Enterprise Linux, and which version. The affected versions are listed further down this page.
  2. 2If you do, follow the vendor's guidance. No patch reference has been published yet.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

Scoring

CVSS
7.5 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-203
Assigned by
secalert@redhat.com

Dates

Published
2024-02-05
Last modified
2026-09-16
Sources
NVD

Affected products

  • Redhat Enterprise Linux8.0, 9.0
  • Redhat Update Infrastructure4
  • M2crypto Project M2crypto- 0.40.1

As listed in the NVD configuration data. Not a statement about your estate.

References