How severe is CVE-2021-31791?

CVE-2021-31791 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 high, integrity none, and availability none.

Is CVE-2021-31791 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-31791?

CVE-2021-31791 affects Sentrysoftware Hardware Sentry Km For Bmc Patrol. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-31791?

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-2021-31791 published?

CVE-2021-31791 was published on 2021-04-23 and last updated on 2026-06-17.

CVE-2021-31791

CVE-2021-31791 is a high-severity vulnerability in Sentrysoftware Hardware Sentry Km For Bmc Patrol 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-312.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-312
Affected product: Sentrysoftware Hardware Sentry Km For Bmc Patrol
Published: 2021-04-23
Last modified: 2026-06-17

Description

In Hardware Sentry KM before 10.0.01 for BMC PATROL, a cleartext password may be discovered after a failure or timeout of a command.

Frequently asked questions

What is CVE-2021-31791?: In Hardware Sentry KM before 10.0.01 for BMC PATROL, a cleartext password may be discovered after a failure or timeout of a command.
How severe is CVE-2021-31791?: CVE-2021-31791 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 high, integrity none, and availability none.
Is CVE-2021-31791 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-31791?: CVE-2021-31791 affects Sentrysoftware Hardware Sentry Km For Bmc Patrol. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-31791?: 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-2021-31791 published?: CVE-2021-31791 was published on 2021-04-23 and last updated on 2026-06-17.

References

https://www.sentrysoftware.com/library/releaseNotes/index.html?hardwaresentrykmforpatrol10_0_01releasenotes.htm

Affected products (1)

cpe:2.3:a:sentrysoftware:hardware_sentry_km_for_bmc_patrol:*:*:*:*:*:*:*:*

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