- 4.6MediumCVSS base score
- 1.0%Exploitation in 30 daysEPSS · top 36% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Attacker is able craft an article with a link to the customer address book with malicious content (JavaScript). When agent opens the link, JavaScript code is executed due to the missing parameter encoding. This issue affects: ((OTRS)) Community Edition: 6.0.26 and prior versions. OTRS: 7.0.15 and prior versions.
Timeline
ID reserved
By OTRS
- 4 months later
· 4 months later
Published
- 4 years later
· 4 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 |
|---|---|---|---|
| OTRSCNA (assigner) | 3.1 | Medium4.6 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Affected products
OTRS AG · ((OTRS)) Community Edition
- affected 6.0.x – ≤ 6.0.26
- affected 7.0.x – ≤ 7.0.15
What to do
Solution: Upgrade to OTRS 7.0.16, ((OTRS)) Community Edition 6.0.27 Patch for ((OTRS)) Community Edition 6: https://github.com/OTRS/otrs/commit/2576830053f70a3a9251558e55f34843dec61aa2
References
References5
- https://otrs.com/release-notes/otrs-security-advisory-2020-08/ (opens in a new tab)x_transferred
- openSUSE-SU-2020:0551 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2020:1475 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2020:1509 (opens in a new tab)vendor-advisoryx_transferred
- [debian-lts-announce] 20230831 [SECURITY] [DLA 3551-1] otrs2 security update (opens in a new tab)mailing-listx_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-2020-12597 (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-2020-1771)Record last updated .