CVE-2022-43494: An unauthorized user could be able to read any file on the system, potentially exposing sensitive informatio

This month

HIGH 7.5REMOTEUPGRADE

CVE-2022-43494 is a high-severity flaw (CVSS 7.5) affecting proficy historian. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An unauthorized user could be able to read any file on the system, potentially exposing sensitive information.

Why this priority

High severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	7.5 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.6% (top 53%)
CISA exploited list	No
Weakness	CWE-284
Published	2023-01-18
Last modified	2026-06-17

Publisher (CNA): ICS-CERT · Vendor: ge

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

Am I affected?

Timeline

2023-01-18 00:15 UTCPublished CVE record published
2026-06-17 05:06 UTCUpdated Record last modified

ge proficy historian UPGRADE

Affected: >= 7.0 and < 2023

Fixed in: 2023

Safe to downgrade to: a release before 7.0

1. Check installed version

apt-cache policy proficy-historian || rpm -q proficy-historian || proficy-historian --version

2. UPGRADE to 2023 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade proficy-historian

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade proficy-historian

Note

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

3. If no update is available yet, DOWNGRADE to a release before 7.0 (Debian / Ubuntu)

apt-cache madison proficy-historian sudo apt install proficy-historian=<VERSION_BEFORE_7.0> sudo apt-mark hold proficy-historian

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list proficy-historian sudo dnf downgrade proficy-historian-<VERSION_BEFORE_7.0> sudo dnf versionlock add proficy-historian

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-2022-43494?

proficy historian: upgrade to 2023. Exact commands for each OS are on this page.

Is CVE-2022-43494 being exploited?

CVE-2022-43494 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-2022-43494 affect?

CVE-2022-43494 affects proficy historian. Severity is high (CVSS 7.5). An unauthorized user could be able to read any file on the system, potentially exposing sensitive information.

How urgent is CVE-2022-43494?

Priority 43/100. High severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2022-46732 CRITICAL 9.8 UPGRADE Even if the authentication fails for local service authentication, the requested command could still execute r
CVE-2022-46660 HIGH 7.5 UPGRADE An unauthorized user could alter or write files with full control over the path and content of the file
CVE-2022-46331 HIGH 7.5 UPGRADE An unauthorized user could possibly delete any file on the system
CVE-2022-38469 HIGH 7.5 UPGRADE An unauthorized user with network access and the decryption key could decrypt sensitive data, such as user

References

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