How severe is CVE-2021-42372?

CVE-2021-42372 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-42372 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-42372?

CVE-2021-42372 primarily affects Xorux Lpar2rrd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-42372?

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-2021-42372 published?

CVE-2021-42372 was published on 2021-11-08 and last updated on 2026-06-17.

CVE-2021-42372

CVE-2021-42372 is a high-severity vulnerability in Xorux Lpar2rrd with a CVSS 3.x base score of 8.8. 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-78.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Xorux Lpar2rrd
Published: 2021-11-08
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-42372?: 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 severe is CVE-2021-42372?: CVE-2021-42372 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-42372 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-42372?: CVE-2021-42372 primarily affects Xorux Lpar2rrd. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-42372?: 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-2021-42372 published?: CVE-2021-42372 was published on 2021-11-08 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:xorux:lpar2rrd:*:*:*:*:*:*:*:*
cpe:2.3:a:xorux:stor2rrd:*:*:*:*:*:*:*:*

More vulnerabilities in Xorux Lpar2rrd

CVE-2021-42371 — Critical (CVSS 9.8): lpar2rrd is a hardcoded system account in XoruX LPAR2RRD and STOR2RRD before 7.30.
CVE-2020-24032 — Critical (CVSS 9.8): tz.pl on XoruX LPAR2RRD and STOR2RRD 2.70 virtual appliances allows cmd=set&tz=OS command injection via shell…
CVE-2014-4981 — Critical (CVSS 9.8): LPAR2RRD in 3.5 and earlier allows remote attackers to execute arbitrary commands due to insufficient input…
CVE-2014-4982 — Critical (CVSS 9.8): LPAR2RRD ≤ 4.53 and ≤ 3.5 has arbitrary command injection on the application server.
CVE-2025-54769 — High (CVSS 8.8): An authenticated, read-only user can upload a file and perform a directory traversal to have the uploaded file placed…
CVE-2021-42370 — High (CVSS 7.5): A password mismanagement situation exists in XoruX LPAR2RRD and STOR2RRD before 7.30 because cleartext information is…

All CVEs affecting Xorux Lpar2rrd →

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