How severe is CVE-2018-15492?

CVE-2018-15492 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2018-15492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-15492?

CVE-2018-15492 affects Gemalto Sentinel License Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-15492?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-15492 published?

CVE-2018-15492 was published on 2018-08-18 and last updated on 2026-06-17.

CVE-2018-15492

CVE-2018-15492 is a high-severity vulnerability in Gemalto Sentinel License Manager with a CVSS 3.x base score of 7.5. 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-405.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-405
Affected product: Gemalto Sentinel License Manager
Published: 2018-08-18
Last modified: 2026-06-17

Description

A vulnerability in the lservnt.exe component of Sentinel License Manager version 8.5.3.35 (fixed in 8.5.3.2403) causes UDP amplification.

Frequently asked questions

What is CVE-2018-15492?: A vulnerability in the lservnt.exe component of Sentinel License Manager version 8.5.3.35 (fixed in 8.5.3.2403) causes UDP amplification.
How severe is CVE-2018-15492?: CVE-2018-15492 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2018-15492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-15492?: CVE-2018-15492 affects Gemalto Sentinel License Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-15492?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-15492 published?: CVE-2018-15492 was published on 2018-08-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:gemalto:sentinel_license_manager:*:*:*:*:*:*:*:*

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