Security readout for executives and security teams
Plain-English summary
An authenticated OTRS user could delete files by tampering with a submission form. For a ticketing system, that can affect attachments or operational records. The issue is fixed in later OTRS releases, but the provided sources do not include CVSS scoring or evidence of active exploitation.
Executive priority
Treat this as a near-term maintenance and access-control priority, especially for externally reachable or widely used ticketing systems. It is not confirmed as actively exploited in the provided sources.
Technical view
CVE-2018-19143 affects OTRS 4.0.x before 4.0.33, 5.0.x before 5.0.31, and 6.0.x before 6.0.13. Upload caching is mishandled, allowing an authenticated user to delete files through a modified submission form.
Likely exposure
Exposure is likely limited to organizations running the affected OTRS Framework versions or related Debian otrs2 packages. Risk increases where many users can authenticate to the helpdesk, or where accounts are weakly governed.
Exploitation context
The provided bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability requires an authenticated user and form modification; this points to insider risk or misuse after account compromise.
Researcher notes
The public description is concise and lacks CVSS, CWE, and detailed affected CPE data. Analysis should stay bounded to authenticated file deletion through upload-cache mishandling until vendor or distribution guidance provides more specifics.
Mitigation direction
- Upgrade OTRS to 4.0.33, 5.0.31, 6.0.13, or later.
- Apply Debian LTS otrs2 security updates where Debian packages are used.
- Review the OTRS advisory for vendor-specific upgrade guidance.
- Limit OTRS access to necessary users only.
- Monitor for unusual file deletion or attachment loss.
Validation and detection
- Inventory all OTRS instances and record exact versions.
- Compare installed versions against the fixed release thresholds.
- Confirm Debian otrs2 package updates are applied where relevant.
- Review ticketing logs for unexpected file deletion activity.
- Check whether broad or stale user accounts still have access.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2018-19143 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://community.otrs.com/security-advisory-2018-07-security-update-for-otrs-framework/CVE reference · x_refsource_MISC
- [debian-lts-announce] 20181123 [SECURITY] [DLA 1592-1] otrs2 security updateCVE reference · mailing-list, x_refsource_MLIST
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.