CVE-2021-42372: A shell command injection in the HW Events SNMP community in XoruX LPAR2RRD and STOR2RRD before 7.30 allows au

Q: How do I fix CVE-2021-42372?

lpar2rrd: upgrade to 7.30; stor2rrd: upgrade to 7.30. Exact commands for each OS are on this page.

Q: Is CVE-2021-42372 being exploited?

CVE-2021-42372 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-2021-42372 affect?

CVE-2021-42372 affects lpar2rrd, stor2rrd. Severity is high (CVSS 8.8). A shell command injection in the HW Events SNMP community in XoruX LPAR2RRD and STOR2RRD before 7.30 allows authenticated remote attackers to execute arbitrary shell commands as the user running the service.

Q: How urgent is CVE-2021-42372?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

This month

HIGH 8.8UPGRADEUPGRADE

CVE-2021-42372 is a high-severity flaw (CVSS 8.8) affecting lpar2rrd, stor2rrd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A shell command injection in the HW Events SNMP community in XoruX LPAR2RRD and STOR2RRD before 7.30 allows authenticated remote attackers to execute arbitrary shell commands as the user running the service.

Why this priority

High severity
EPSS top 7%: very likely to be exploited
Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	6.1% (top 7%)
CISA exploited list	No
Weakness	CWE-78
Published	2021-11-08
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: xorux

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

Am I affected?

Timeline

2021-11-08 05:15 UTCPublished CVE record published
2026-06-17 04:09 UTCUpdated Record last modified

xorux lpar2rrd UPGRADE

Affected: < 7.30

Fixed in: 7.30

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy lpar2rrd || rpm -q lpar2rrd || lpar2rrd --version

2. UPGRADE to 7.30 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade lpar2rrd

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade lpar2rrd

Note

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

xorux stor2rrd UPGRADE

Affected: < 7.30

Fixed in: 7.30

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy stor2rrd || rpm -q stor2rrd || stor2rrd --version

2. UPGRADE to 7.30 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade stor2rrd

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade stor2rrd

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-2021-42372?

lpar2rrd: upgrade to 7.30; stor2rrd: upgrade to 7.30. Exact commands for each OS are on this page.

Is CVE-2021-42372 being exploited?

CVE-2021-42372 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-2021-42372 affect?

CVE-2021-42372 affects lpar2rrd, stor2rrd. Severity is high (CVSS 8.8). A shell command injection in the HW Events SNMP community in XoruX LPAR2RRD and STOR2RRD before 7.30 allows authenticated remote attackers to execute arbitrary shell commands as the user running the service.

How urgent is CVE-2021-42372?

Priority 59/100. High severity; EPSS top 7%: very likely to be exploited; Public exploit reference

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References

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