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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…
- 6.5MediumCVSS base score
- 1.8%Exploitation in 30 daysEPSS · top 22% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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 opens it, it causes deletions of arbitrary files that the OTRS web server user has write access to.
Timeline
ID reserved
By mitre
- 22 days later
· 22 days later
Published
- 6 years later
· 6 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N |
- EPSS (exploitation in 30 days)
- 1.8% · top 22% of all CVEs (10 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Affected products
n/a
- affected n/a
References
6
- https://github.com/OTRS/otrs/commit/d9db0c6a15caafda7689320ecf61777993c33711 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-4317 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- [debian-lts-announce] 20180926 [SECURITY] [DLA 1521-1] otrs2 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://community.otrs.com/security-advisory-2018-04-security-update-for-otrs-framework/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/OTRS/otrs/commit/a4a1a01f84fac7ab032570ee50b660e2ebb15c01 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://github.com/OTRS/otrs/commit/d8cae00b0f78c2a07bb10cedb817304139395843 (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2018-8394 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2018-16587)Record last updated .