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VulnerabilityPublished Updated

CVE-2025-36045: IBM TS4300 · Improper Control of Interaction Frequency

Affects IBM TS4300Source CVE Database V5

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Not known to be exploited · CVSS 4.3 Medium.

Data as of 2 Nov 2026, 10:57 UTC

CVSS 3.1 base score
4.3Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.3% chance of exploitation in 30 days – higher than 29% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: 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 2 Nov 2026.

What to do

Affected software

ProductAffectedFixed in
IBMTS4300Affected
  • >=1.1.0.1 <=1.7.1.1
Fixed in–

CPE configurations (2)

  • cpe:2.3:a:ibm:ts4300:1.1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:ibm:ts4300:1.7.1.1:*:*:*:*:*:*:*

AI-suggested

Until a fix is available, monitor for unusual email service disruptions and restrict authenticated user permissions as appropriate.

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.

References

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