CVE-2023-45698
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 · uneditedSametime is impacted by lack of clickjacking protection in Outlook add-in. The application is not implementing appropriate protections in order to protect users from clickjacking attacks.
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 · moderate confidenceThe Sametime Outlook add-in lacks clickjacking protection, allowing malicious actors to embed the application in an invisible iframe and trick users into performing unintended actions such as sending messages or modifying settings without their knowledge.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 11.5= 11.6= 12.0= 12.0.1CVSS 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
- Changed
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/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.
-
Identify installed Sametime Chat And Meetings versionCheck the installed version of Hcltech Sametime Chat And Meetings through the Windows Programs and Features panel, or run 'Get-ItemProperty' in PowerShell on the installation directory typically found at C:\Program Files\HCL\Sametime\Chat And MeetingsAffected if The installed version matches 11.5, 11.6, 12.0, or 12.0.1 and the Outlook add-in component is present
-
Verify Sametime Outlook add-in is installedOpen Outlook, go to File > Options > Add-ins, and confirm the HCL Sametime add-in appears in the list of active COM add-insAffected if The Sametime Outlook add-in is listed as active and the server serving the add-in lacks clickjacking protections
-
Check for X-Frame-Options header on the Sametime serverUse a browser developer tool or command-line tool like curl to make a request to the Sametime server URL (e.g., curl -I https://your-sametime-server) and inspect the response headers for X-Frame-OptionsAffected if The X-Frame-Options header is missing or set to a permissive value such as ALLOW-FROM uri (not DENY or SAMEORIGIN)
-
Check for Content-Security-Policy frame-ancestors directiveInspect the HTTP response headers from the Sametime server for a Content-Security-Policy header that includes frame-ancestors or frame-src directivesAffected if The CSP header is missing or does not include restrictive frame-ancestors directives to prevent iframe embedding
You are affected if you have Sametime Chat And Meetings version 11.5, 11.6, 12.0, or 12.0.1 with the Outlook add-in enabled AND the Sametime server does not send X-Frame-Options or CSP frame-ancestors headers.
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 dataImplement X-Frame-Options (DENY or SAMEORIGIN) header or Content-Security-Policy with frame-ancestors directive on the server serving the Outlook add-in to prevent it from being embedded in iframes.
- Consultation2.0 h
- Implementation4.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,560.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2023-45698 — 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-2023-45698 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
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data