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
02 Description
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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.75% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.4% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2018-09-28 00:00Z8 YR AGO
- Last updated
- 2024-08-05 10:24Z2 YR AGO
- Reserved
- 2018-09-06
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 3de1c7b4d1c3acc6e8751182c94221c453c2eab69f272a81eeaa3849c433617f
05 Affected products
06 References
- github.comhttps://github.com/OTRS/otrs/commit/d9db0c6a15caafda7689320ecf61777993c33711
- www.debian.orgDSA-4317https://www.debian.org/security/2018/dsa-4317
- lists.debian.org[debian-lts-announce] 20180926 [SECURITY] [DLA 1521-1] otrs2 security updatehttps://lists.debian.org/debian-lts-announce/2018/09/msg00033.html
- community.otrs.comhttps://community.otrs.com/security-advisory-2018-04-security-update-for-otrs-framework/
- github.comhttps://github.com/OTRS/otrs/commit/a4a1a01f84fac7ab032570ee50b660e2ebb15c01
- github.comhttps://github.com/OTRS/otrs/commit/d8cae00b0f78c2a07bb10cedb817304139395843
07 Fixed in
Debian 11
- otrs2 Fixed in 6.0.11-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- otrs2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- otrs2 No fix yet
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.