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CVE-2023-45716VulnerabilityPublished Updated

CVE-2023-45716: HCL Sametime · Vulnerability

Affects HCL SametimeSource CVE Database V5

0

Not known to be exploited · CVSS 1.7 Low.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 3.1 base score
1.7Low
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:P/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 9 Feb 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Affected software

ProductAffectedFixed in
HCL Software HCL SametimeAffected
  • =11.5
  • =11.6
  • =12.0
  • =12.0.1
Fixed in–

AI-suggested

To mitigate this vulnerability effectively, European organizations should: 1) Review and audit URL handling within HCL Sametime to ensure no sensitive data is transmitted via query strings or URLs. 2) Implement strict access controls and monitoring on systems running HCL Sametime to prevent unauthorized local access. 3) Educate users about the risks of sharing URLs containing sensitive information and encourage the use of secure communication channels. 4) Configure web servers and proxies to avoid logging URLs containing sensitive data or to sanitize logs accordingly. 5) Monitor for updates or patches from HCL Software and apply them promptly once available. 6) Consider network segmentation and endpoint security controls to limit physical or local access to affected systems. 7) Conduct regular security assessments focusing on information exposure risks related to URL handling in collaboration with application owners.

Description

Sametime is impacted by sensitive information passed in URL.

References

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