CVE-2018-16587: debian debian_linux Improper Input Validation
CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-16587DEBIAN-CVE-2018-16587
Published 28-09-2018Last modified 05-08-2024
Vulnerability summary
CVE-2018-16587 is a medium (CVSS 6.5) Improper Input Validation vulnerability in debian debian_linux. EPSS estimates a 1.75% chance of exploitation in the next 30 days, higher than 77.5% of scored vulnerabilities.
CVSS score
6.5/10
010
Medium · v3.0 (NVD)EPSS score
1.75%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 2Timeline
- 28-09-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 6.5Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
- OSV · DebianEcosystem advisory · calculated6.5MediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Medium 5.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.75%
Chance of exploitation in the next 30 days
Percentile
78%
Versus all other CVEs
30-day change
0.00 pp
From 1.75% on 18-09-2026
18-09-202618-10-2026
EPSS score1.75%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian2 products
- otrs2< 6.0.11-1
- debian_linuxEOL8.0 | 9.0
Otrs1 product
- open_ticket_request_system≥ 4.0.0, < 4.0.32 | ≥ 5.0.0, < 5.0.30 | ≥ 6.0.0, < 6.0.11
Ubuntu1 product
- otrs2All versions (No fix recorded)
3 vendors · 4 products
References
9 links- lists.debian.org/debian-lts-announce/2018/09/msg00033.htmlMailing ListX Refsource MLISTThird Party Advisory
- community.otrs.com/security-advisory-2018-04-security-update-for-otrs-framework/X Refsource CONFIRMPatchVendor AdvisoryREPORT