Vulnerability Monitor

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CVE-2018-16587

In Open Ticket Request System (OTRS) 4.0.x before 4.0.32, 5.0.x before 5.0.30, and 6.0.x before 6.0.11, an attacker could send a malicious email to an OTRS system. If a user with admin permissions opens it, it causes deletions of arbitrary files that the OTRS web server user has write access to.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.5, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 2 products from otrs, from debian organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2018, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2018-09-28T00:29:02.053

Last Modified

2024-11-21T03:53:00.003

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 6.5 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:P

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: PARTIAL

Exploitability Score

8.6

Impact Score

4.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	otrs	open_ticket_request_system	< 4.0.32	Yes
Application	otrs	open_ticket_request_system	< 5.0.30	Yes
Application	otrs	open_ticket_request_system	< 6.0.11	Yes
Operating System	debian	debian_linux	8.0	Yes
Operating System	debian	debian_linux	9.0	Yes

References

https://community.otrs.com/security-advisory-2018-04-security-update-for-otrs-framework/ Patch, Vendor Advisory ([email protected])
https://github.com/OTRS/otrs/commit/a4a1a01f84fac7ab032570ee50b660e2ebb15c01 Patch ([email protected])
https://github.com/OTRS/otrs/commit/d8cae00b0f78c2a07bb10cedb817304139395843 Patch ([email protected])
https://github.com/OTRS/otrs/commit/d9db0c6a15caafda7689320ecf61777993c33711 Patch ([email protected])
https://lists.debian.org/debian-lts-announce/2018/09/msg00033.html Mailing List, Third Party Advisory ([email protected])
https://www.debian.org/security/2018/dsa-4317 Third Party Advisory ([email protected])
https://community.otrs.com/security-advisory-2018-04-security-update-for-otrs-framework/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OTRS/otrs/commit/a4a1a01f84fac7ab032570ee50b660e2ebb15c01 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OTRS/otrs/commit/d8cae00b0f78c2a07bb10cedb817304139395843 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/OTRS/otrs/commit/d9db0c6a15caafda7689320ecf61777993c33711 Patch (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/09/msg00033.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2018/dsa-4317 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For otrs's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.