HCL Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability

published 2024-02-09 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-55150

cvss: 5.9; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 15%
public exploits: 0; none known

Sametime is impacted by a Cross Site Request Forgery (CSRF) vulnerability. Some REST APIs in the Sametime Proxy application can allow an attacker to perform malicious actions on the application.

Patch / fix

fixed in 1

hcltech sametime 12.0.2

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 16 mo ago (2025-06-17)

Exploit prediction

0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.9	CVSS:3.1/AV:P/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

HCL Software HCL Sametime

Classification

Weakness

CWE-352 Cross-Site Request Forgery

References

support.hcltechsw.com /csm?id=kb_article&sysparm_article=KB0109082
vendor-advisory

Sources

CVE List CVE-2023-50349
NVD CVE-2023-50349

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary