IBM Sametime Enterprise Meeting Server 8.5.2 and 9.0 could allow an authenticated user that has been invited to a Sametime meeting room, to
IBM Sametime Enterprise Meeting Server 8.5.2 and 9.0 could allow an authenticated user that has been invited to a Sametime meeting room, to cause the screen sharing to cease through the use of cross-site request forgery. IBM X-Force ID: 111895.
- Published
- Aug 29, 2017
- Updated
- Jun 16, 2026
- EPSS
- 0.7% · 52th percentile
- CWE
- CWE-352
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Report tools
Action score
26
Monitor
Low priority for now.
- CVSS
- 26 / 40 · 6.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 0.7%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| ibm | sametime | cpe:2.3:a:ibm:sametime |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- ibm sametime8.5.2.0
- ibm sametime8.5.2.1
- ibm sametime9.0.0.0
- ibm sametime9.0.0.1
- ibm sametime9.0.1
Versions reported by the vendor
Affected version ranges reported by the assigning authority (ibm). Independent of NVD's CPE analysis and usually ahead of it.
IBM Sametime
- 9.0.1, 8.5.2, 8.5.2.1, 9.0, 9.0.0.1affected
Same product
ibm: all recordsOther highest-scoring records for the same primary product.
- CVE-2016-2972IBM Sametime Meeting Server 8.5.2 and 9.0 could store credentials of the Sametime Meetings user in the local cache of their browser which co31Monitor
- CVE-2013-6742The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 do not have an off autocomplete attribute for a password fi30Monitor
- CVE-2013-3983The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 does not validate URLs in Cookie headers before using them 30Monitor
- CVE-2013-3988The Meeting Server in IBM Sametime 8.5.2 through 8.5.2.1 and 9.x through 9.0.0.1 allows remote attackers to conduct clickjacking attacks via27Monitor
- CVE-2016-2965IBM Sametime Meeting Server 8.5.2 and 9.0 is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input.26Monitor
- CVE-2016-0355IBM Sametime Enterprise Meeting Server 8.5.2 and 9.0 could allow an authenticated user that has been invited to a Sametime meeting room, to 26Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-352 · Cross-Site Request Forgery (CSRF)CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Root cause
State-changing requests rely on the session cookie the browser sends automatically; nothing verifies that the request came from the user’s own page.
The bug in code
The whole CWE-352 classA representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.
Vulnerable
app.use(session({ cookie: { httpOnly: true } }));app.post("/account/address", updateAddress);Fixed
app.use(session({ cookie: { httpOnly: true, sameSite: "lax" } }));app.post("/account/address", csrfProtection, updateAddress);Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.ibm.com/support/docview.wss?uid=swg22006439
- www.securityfocus.com/bid/100599
- www.securitytracker.com/id/1039231
- exchange.xforce.ibmcloud.com/vulnerabilities/111895
Vendor advisories and official records. Exploit/PoC links are deliberately left out.