How severe is CVE-2023-45718?

CVE-2023-45718 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over physical access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-45718 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-45718?

CVE-2023-45718 affects Hcltech Sametime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-45718?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-45718 have an EU (EUVD) identifier?

Yes. CVE-2023-45718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50007.

When was CVE-2023-45718 published?

CVE-2023-45718 was published on 2024-02-09 and last updated on 2026-06-17.

CVE-2023-45718

CVE-2023-45718 is a low-severity vulnerability in Hcltech Sametime with a CVSS 3.x base score of 3.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-384.

Key facts

Severity: Low (CVSS 3.x base score 3.9)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-50007
Weakness: CWE-384
Affected product: Hcltech Sametime
Published: 2024-02-09
Last modified: 2026-06-17

Description

Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.

Frequently asked questions

What is CVE-2023-45718?: Sametime is impacted by a failure to invalidate sessions. The application is setting sensitive cookie values in a persistent manner in Sametime Web clients. When this happens, cookie values can remain valid even after a user has closed out their session.
How severe is CVE-2023-45718?: CVE-2023-45718 has a CVSS 3.x base score of 3.9, rated low severity. It is exploitable over physical access with high attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-45718 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-45718?: CVE-2023-45718 affects Hcltech Sametime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-45718?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-45718 have an EU (EUVD) identifier?: Yes. CVE-2023-45718 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-50007.
When was CVE-2023-45718 published?: CVE-2023-45718 was published on 2024-02-09 and last updated on 2026-06-17.

References

https://support.hcltechsw.com/csm?id=kb_article&sysparm_article=KB0109082

Affected products (1)

cpe:2.3:a:hcltech:sametime:*:*:*:*:*:*:*:*

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