CVE-2016-2965

IBM Sametime Meeting Server 8.5.2 and 9.0 is vulnerable to cross-site request forgery, caused by improper validation of user-supplied input. By persuading a user to visit a malicious link, a remote attacker could force the user to log out of Sametime. IBM X-Force ID: 113846.

Published: 2017-08-29 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2016-2965 is rated Moderate Risk (44.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.80%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2016-2965

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.15% 0.80% +0.64%
2 2025-03-30 0.12% 0.15% +0.04%
3 2025-03-29 0.12%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2016-2965

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.8 3.6 [email protected]
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 2.9 [email protected]

Weakness enumeration for CVE-2016-2965

Affected software / configurations for CVE-2016-2965

Vendor Product Version Raw CPE
ibm sametime 8.5.2.0 cpe:2.3:a:ibm:sametime:8.5.2.0:*:*:*:*:*:*:*
ibm sametime 8.5.2.1 cpe:2.3:a:ibm:sametime:8.5.2.1:*:*:*:*:*:*:*
ibm sametime 9.0.0.0 cpe:2.3:a:ibm:sametime:9.0.0.0:*:*:*:*:*:*:*
ibm sametime 9.0.0.1 cpe:2.3:a:ibm:sametime:9.0.0.1:*:*:*:*:*:*:*
ibm sametime 9.0.1 cpe:2.3:a:ibm:sametime:9.0.1:*:*:*:*:*:*:*

References for CVE-2016-2965

cvelogic Threat Intelligence