CVE-2022-38120: UPSMON PRO’s has a path traversal vulnerability

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MEDIUM 6.5DOWNGRADE

CVE-2022-38120 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’s has a path traversal vulnerability. A remote attacker with general user privilege can exploit this vulnerability to bypass authentication and access arbitrary system files.

Why this priority

EPSS top 7%: very likely to be exploited
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	6.2% (top 7%)
CISA exploited list	No
Weakness	CWE-22
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-2022-38120?

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

Is CVE-2022-38120 being exploited?

CVE-2022-38120 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-2022-38120 affect?

CVE-2022-38120 affects upsmon pro. Severity is medium (CVSS 6.5). UPSMON PRO’s has a path traversal vulnerability. A remote attacker with general user privilege can exploit this vulnerability to bypass authentication and access arbitrary system files.

How urgent is CVE-2022-38120?

Priority 51/100. EPSS top 7%: very likely to be exploited; Public exploit reference

Related CVEs

CVE-2022-38122 HIGH 7.5 DOWNGRADE UPSMON PRO transmits sensitive data in cleartext over HTTP protocol
CVE-2022-38121 MEDIUM 6.5 DOWNGRADE UPSMON PRO configuration file stores user password in plaintext under public user directory
CVE-2022-38119 CRITICAL 9.8 DOWNGRADE UPSMON Pro login function has insufficient authentication

References

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