How severe is CVE-2025-36045?

CVE-2025-36045 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2025-36045 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-36045?

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

When was CVE-2025-36045 published?

CVE-2025-36045 was published on 2026-09-18 and last updated on 2026-09-22.

CVE-2025-36045

CVE-2025-36045 is a medium-severity vulnerability with a CVSS 3.x base score of 4.3. 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-799.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-799
Published: 2026-09-18
Last modified: 2026-09-22

Description

IBM TS4300 1.1.0.1 through 1.7.1.1 could allow an authenticated user to cause a denial of service in the email service due to improper control of interaction frequency.

Frequently asked questions

What is CVE-2025-36045?: IBM TS4300 1.1.0.1 through 1.7.1.1 could allow an authenticated user to cause a denial of service in the email service due to improper control of interaction frequency.
How severe is CVE-2025-36045?: CVE-2025-36045 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2025-36045 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-36045?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2025-36045 published?: CVE-2025-36045 was published on 2026-09-18 and last updated on 2026-09-22.

References

https://www.ibm.com/support/pages/node/7287022

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