CVE-2021-31791: In Hardware Sentry KM before 10.0.01 for BMC PATROL, a cleartext password may be discovered after a failure or

Q: How do I fix CVE-2021-31791?

hardware sentry km for bmc patrol: upgrade to 10.0.01. Exact commands for each OS are on this page.

Q: Is CVE-2021-31791 being exploited?

CVE-2021-31791 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-31791 affect?

CVE-2021-31791 affects hardware sentry km for bmc patrol. Severity is high (CVSS 7.5). 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.

Q: How urgent is CVE-2021-31791?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

This month

HIGH 7.5REMOTEUPGRADE

CVE-2021-31791 is a high-severity flaw (CVSS 7.5) affecting hardware sentry km for bmc patrol. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-312
Published	2021-04-23
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: sentrysoftware

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-04-23 22:15 UTCPublished CVE record published
2026-06-17 03:52 UTCUpdated Record last modified

sentrysoftware hardware sentry km for bmc patrol UPGRADE

Affected: < 10.0.01

Fixed in: 10.0.01

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hardware-sentry-km-for-bmc-patrol || rpm -q hardware-sentry-km-for-bmc-patrol || hardware-sentry-km-for-bmc-patrol --version

2. UPGRADE to 10.0.01 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hardware-sentry-km-for-bmc-patrol

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hardware-sentry-km-for-bmc-patrol

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-31791?

hardware sentry km for bmc patrol: upgrade to 10.0.01. Exact commands for each OS are on this page.

Is CVE-2021-31791 being exploited?

CVE-2021-31791 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-31791 affect?

CVE-2021-31791 affects hardware sentry km for bmc patrol. Severity is high (CVSS 7.5). 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 urgent is CVE-2021-31791?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

References

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