CVEvulnerability

CVE-2021-21439

6.5 MEDIUM Published 2021-06-14 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2021-06-14
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
Weaknesses
CWE-754, CWE-755

Description

DoS attack can be performed when an email contains specially designed URL in the body. It can lead to the high CPU usage and cause low quality of service, or in extreme case bring the system to a halt. This issue affects: OTRS AG ((OTRS)) Community Edition 6.0.x version 6.0.1 and later versions. OTRS AG OTRS 7.0.x version 7.0.26 and prior versions; 8.0.x version 8.0.13 and prior versions.

Affected configurations

• otrs otrs (>= 6.0.1 <= 6.0.30) • otrs otrs (>= 7.0.0 < 7.0.27) • otrs otrs (>= 8.0.0 < 8.0.14)

Related

Weakness · CWE (2)

  • CWE-754 Improper Check for Unusual or Exceptional Conditions weakness
  • CWE-755 Improper Handling of Exceptional Conditions weakness

References