CVEvulnerability

CVE-2021-38084

8.1 HIGH Published 2021-08-03 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-08-03
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
8.1 HIGH — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-74

Description

An issue was discovered in the POP3 component of Courier Mail Server before 1.1.5. Meddler-in-the-middle attackers can pipeline commands after the POP3 STLS command, injecting plaintext commands into an encrypted user session.

Affected configurations

• courier-mta courier mail server (< 1.1.5)

Related

Weakness · CWE (1)

  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component weakness

References