CVE-2020-24032: tz.pl on XoruX LPAR2RRD and STOR2RRD 2.70 virtual appliances allows cmd=set&tz=OS command injection via shell

This week

CRITICAL 9.8REMOTEDOWNGRADEDOWNGRADE

CVE-2020-24032 is a critical-severity flaw (CVSS 9.8) affecting lpar2rrd, stor2rrd. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

tz.pl on XoruX LPAR2RRD and STOR2RRD 2.70 virtual appliances allows cmd=set&tz=OS command injection via shell metacharacters in a timezone.

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	5.4% (top 7%)
CISA exploited list	No
Weakness	CWE-78
Published	2020-08-18
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

2020-08-18 21:15 UTCPublished CVE record published
2026-06-17 03:05 UTCUpdated Record last modified

xorux lpar2rrd DOWNGRADE

Affected: 2.7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.7.0 (Debian / Ubuntu)

apt-cache madison lpar2rrd sudo apt install lpar2rrd=<VERSION_BEFORE_2.7.0> sudo apt-mark hold lpar2rrd

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list lpar2rrd sudo dnf downgrade lpar2rrd-<VERSION_BEFORE_2.7.0> sudo dnf versionlock add lpar2rrd

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

xorux stor2rrd DOWNGRADE

Affected: 2.7.0

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.7.0

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.7.0 (Debian / Ubuntu)

apt-cache madison stor2rrd sudo apt install stor2rrd=<VERSION_BEFORE_2.7.0> sudo apt-mark hold stor2rrd

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list stor2rrd sudo dnf downgrade stor2rrd-<VERSION_BEFORE_2.7.0> sudo dnf versionlock add stor2rrd

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2020-24032?

lpar2rrd: downgrade or apply the listed mitigation; stor2rrd: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-24032 being exploited?

CVE-2020-24032 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-2020-24032 affect?

CVE-2020-24032 affects lpar2rrd, stor2rrd. Severity is critical (CVSS 9.8). tz.pl on XoruX LPAR2RRD and STOR2RRD 2.70 virtual appliances allows cmd=set&tz=OS command injection via shell metacharacters in a timezone.

How urgent is CVE-2020-24032?

Priority 62/100. Critical severity; EPSS top 7%: very likely to be exploited; Remotely exploitable, no login, no user action

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References

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