How severe is CVE-2021-28492?

CVE-2021-28492 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-28492 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-28492?

CVE-2021-28492 affects Unisys Stealth. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-28492?

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

When was CVE-2021-28492 published?

CVE-2021-28492 was published on 2021-04-20 and last updated on 2026-06-17.

CVE-2021-28492

CVE-2021-28492 is a medium-severity vulnerability in Unisys Stealth with a CVSS 3.x base score of 4.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 4.9)
CVSS v2: 4.0
EPSS exploit prediction: 1% (54th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Unisys Stealth
Published: 2021-04-20
Last modified: 2026-06-17

Description

Unisys Stealth (core) 5.x before 5.0.048.0, 5.1.x before 5.1.017.0, and 6.x before 6.0.037.0 stores passwords in a recoverable format.

Frequently asked questions

What is CVE-2021-28492?: Unisys Stealth (core) 5.x before 5.0.048.0, 5.1.x before 5.1.017.0, and 6.x before 6.0.037.0 stores passwords in a recoverable format.
How severe is CVE-2021-28492?: CVE-2021-28492 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-28492 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (54th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-28492?: CVE-2021-28492 affects Unisys Stealth. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-28492?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-28492 published?: CVE-2021-28492 was published on 2021-04-20 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:unisys:stealth:*:*:*:*:*:*:*:*

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