CVE-2018-20800: otrs Improper Input Validation
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-20800DEBIAN-CVE-2018-20800
Published 13-03-2019Last modified 17-09-2024
Vulnerability summary
CVE-2018-20800 is a medium (CVSS 6.5) Improper Input Validation vulnerability in otrs. EPSS estimates a 0.99% chance of exploitation in the next 30 days, higher than 61.9% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
0.99%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 13-03-2019PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Open Ticket Request System (OTRS) 5.0.31 and 6.0.13. Users updating to 6.0.13 (also patchlevel updates) or 5.0.31 (only major updates) will experience data loss in their agent preferences table.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Medium 5.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:S/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.99%
Chance of exploitation in the next 30 days
Percentile
62%
Versus all other CVEs
30-day change
0.00 pp
From 0.99% on 19-09-2026
19-09-202619-10-2026
EPSS score0.99%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- otrs2< 6.0.14-1
Otrs1 product
- otrs5.0.31 | 6.0.13
Ubuntu1 product
- otrs2All versions (No fix recorded)
3 vendors · 3 products
References
5 links- community.otrs.com/security-advisory-2018-10-security-update-for-otrs-frameworkX Refsource MISCMitigationPatchVendor AdvisoryREPORT