How severe is CVE-2018-7534?

CVE-2018-7534 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-7534 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7534?

CVE-2018-7534 affects Unisys Stealth Authorization Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7534?

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

When was CVE-2018-7534 published?

CVE-2018-7534 was published on 2018-05-30 and last updated on 2026-06-17.

CVE-2018-7534

CVE-2018-7534 is a medium-severity vulnerability in Unisys Stealth Authorization Server with a CVSS 3.x base score of 4.7. 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-320.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 1.9
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-320
Affected product: Unisys Stealth Authorization Server
Published: 2018-05-30
Last modified: 2026-06-17

Description

In Stealth Authorization Server before 3.3.017.0 in Unisys Stealth Solution, an encryption key may be left in memory.

Frequently asked questions

What is CVE-2018-7534?: In Stealth Authorization Server before 3.3.017.0 in Unisys Stealth Solution, an encryption key may be left in memory.
How severe is CVE-2018-7534?: CVE-2018-7534 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over local access with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-7534 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7534?: CVE-2018-7534 affects Unisys Stealth Authorization Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7534?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7534 published?: CVE-2018-7534 was published on 2018-05-30 and last updated on 2026-06-17.

References

http://public.support.unisys.com/common/public/vulnerability/NVD_Detail_Rpt.aspx?ID=47

Affected products (1)

cpe:2.3:a:unisys:stealth_authorization_server:*:*:*:*:*:*:*:*

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