CVE-2024-43445
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA vulnerability exists in OTRS and ((OTRS Community Edition)) that fail to set the HTTP response header X-Content-Type-Options to nosniff. An attacker could exploit this vulnerability by uploading or inserting content that would be treated as a different MIME type than intended. This issue affects: * OTRS 7.0.X * OTRS 8.0.X * OTRS 2023.X * OTRS 2024.X * ((OTRS)) Community Edition: 6.0.x Products based on the ((OTRS)) Community Edition also very likely to be affected
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceOTRS and OTRS Community Edition fail to set the X-Content-Type-Options HTTP response header to 'nosniff'. Without this header, browsers may perform MIME-type sniffing and interpret uploaded or inserted content as a different MIME type than intended, potentially leading to cross-site scripting or other content confusion attacks.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Identify OTRS installation and versionLocate the OTRS installation directory and check the version file (typically VERSION or OTRS.pm in the kernel directory), or access the Admin interface under 'System Administration' to view the installed version number.Affected if The installed version falls within any vulnerable version range for CVE-2024-43445.
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Capture HTTP response headers from OTRSUse a browser's developer tools (Network tab), curl (curl -I https://your-otrs-host/), or a web vulnerability scanner to capture HTTP response headers from the OTRS login page or any OTRS web page.Affected if The X-Content-Type-Options header is missing from the response, or present but set to a value other than 'nosniff'.
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Inspect web server configuration for header settingCheck the web server configuration files (Apache httpd.conf, Nginx nginx.conf, or OTRS-specific Apache/Apache2 configuration) for any directives that set X-Content-Type-Options, such as 'Header always set X-Content-Type-Options nosniff' in Apache or 'add_header X-Content-Type-Options nosniff' in Nginx.Affected if No directive is found that sets X-Content-Type-Options to 'nosniff' for OTRS responses.
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Verify OTRS system configurationLog into OTRS as an administrator, navigate to 'System Administration' then 'SysConfig', and search for any configuration options related to HTTP security headers or X-Content-Type-Options to determine if the application-level header setting is enabled or configured.Affected if No sysconfig option enables the X-Content-Type-Options header, or it is explicitly disabled.
You are affected if OTRS is installed and the X-Content-Type-Options header with value 'nosniff' is not present in HTTP responses from the OTRS web application.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataConfigure the web server (Apache/Nginx) or application to include 'X-Content-Type-Options: nosniff' on all HTTP responses to prevent MIME-type sniffing.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2024-43445 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2024-43445 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Version or environment caveats, and links to real fixes
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