Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2017-16921

Severity CVSS v4.0:
Pending analysis
Type:
CWE-78 OS Command Injections
Publication date:
08/12/2017
Last modified:
20/04/2025

Description

In OTRS 6.0.x up to and including 6.0.1, OTRS 5.0.x up to and including 5.0.24, and OTRS 4.0.x up to and including 4.0.26, an attacker who is logged into OTRS as an agent can manipulate form parameters (related to PGP) and execute arbitrary shell commands with the permissions of the OTRS or web server user.

Impact

Vector 3.x
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.80 HIGH
Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
8.80
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:S/C:C/I:C/A:C CVSS v2.0 Severity and Metrics:

Base Score: 9.00 HIGH
Vector: AV:N/AC:L/Au:S/C:C/I:C/A:C

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): Single
Confidentiality (C): Complete
Integrity (I): Complete
Availability (A): Complete

Base Score 2.0
9.00
Severity 2.0
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:otrs:otrs:4.0.1:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.2:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.3:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.4:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.5:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.6:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.7:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.8:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.9:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.10:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.11:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.12:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.13:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.14:*:*:*:*:*:*:*
cpe:2.3:a:otrs:otrs:4.0.15:*:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools