CVE-2022-38121: UPSMON PRO configuration file stores user password in plaintext under public user directory

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MEDIUM 6.5DOWNGRADE

CVE-2022-38121 is a medium-severity flaw (CVSS 6.5) affecting upsmon pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

UPSMON PRO configuration file stores user password in plaintext under public user directory. A remote attacker with general user privilege can access all users‘ and administrators' account names and passwords via this unprotected configuration file.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	3.7% (top 10%)
CISA exploited list	No
Weakness	CWE-522
Published	2022-11-10
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: upspowercom

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

Am I affected?

Timeline

2022-11-10 15:15 UTCPublished CVE record published
2026-06-17 04:56 UTCUpdated Record last modified

upspowercom upsmon pro DOWNGRADE

Affected: 2.57

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.57

1. Check installed version

apt-cache policy upsmon-pro || rpm -q upsmon-pro || upsmon-pro --version

2. No fixed release: DOWNGRADE to a release before 2.57 (Debian / Ubuntu)

apt-cache madison upsmon-pro sudo apt install upsmon-pro=<VERSION_BEFORE_2.57> sudo apt-mark hold upsmon-pro

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

dnf --showduplicates list upsmon-pro sudo dnf downgrade upsmon-pro-<VERSION_BEFORE_2.57> sudo dnf versionlock add upsmon-pro

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.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: POWERCOM UPSMON PRO Path Traversal (CVE-2022-38120) and Credential Harvester (CVE-2022-38121)

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-2022-38121?

upsmon pro: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2022-38121 being exploited?

CVE-2022-38121 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-2022-38121 affect?

CVE-2022-38121 affects upsmon pro. Severity is medium (CVSS 6.5). UPSMON PRO configuration file stores user password in plaintext under public user directory. A remote attacker with general user privilege can access all users‘ and administrators' account names and passwords via this unprotected configurat

How urgent is CVE-2022-38121?

Priority 50/100. Public exploit reference

Related CVEs

CVE-2022-38122 HIGH 7.5 DOWNGRADE UPSMON PRO transmits sensitive data in cleartext over HTTP protocol
CVE-2022-38120 MEDIUM 6.5 DOWNGRADE UPSMON PRO’s has a path traversal vulnerability
CVE-2022-38119 CRITICAL 9.8 DOWNGRADE UPSMON Pro login function has insufficient authentication

References

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