CVE-2022-43436: The File Upload function of EasyTest has insufficient filtering for special characters and file type

This month

HIGH 8.8DOWNGRADE

CVE-2022-43436 is a high-severity flaw (CVSS 8.8) affecting easy test. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The File Upload function of EasyTest has insufficient filtering for special characters and file type. A remote attacker authenticated as a general user can upload and execute arbitrary files, to manipulate system or disrupt service.

Why this priority

High severity

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

Risk facts

CVSS score	8.8 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.9% (top 41%)
CISA exploited list	No
Weakness	CWE-434
Published	2023-01-03
Last modified	2026-06-17

Publisher (CNA): TWCERT/CC · Vendor: easy test project

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

Am I affected?

Timeline

2023-01-03 03:15 UTCPublished CVE record published
2026-06-17 05:06 UTCUpdated Record last modified

easy test project easy test DOWNGRADE

Affected: 22h29

Fixed in: no fixed release known

Safe to downgrade to: a release before 22h29

1. Check installed version

apt-cache policy easy-test || rpm -q easy-test || easy-test --version

2. No fixed release: DOWNGRADE to a release before 22h29 (Debian / Ubuntu)

apt-cache madison easy-test sudo apt install easy-test=<VERSION_BEFORE_22h29> sudo apt-mark hold easy-test

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

dnf --showduplicates list easy-test sudo dnf downgrade easy-test-<VERSION_BEFORE_22h29> sudo dnf versionlock add easy-test

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-2022-43436?

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

Is CVE-2022-43436 being exploited?

CVE-2022-43436 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-2022-43436 affect?

CVE-2022-43436 affects easy test. Severity is high (CVSS 8.8). The File Upload function of EasyTest has insufficient filtering for special characters and file type. A remote attacker authenticated as a general user can upload and execute arbitrary files, to manipulate system or disrupt service.

How urgent is CVE-2022-43436?

Priority 46/100. High severity

Related CVEs

CVE-2022-43438 HIGH 8.8 UPGRADE The Administrator function of EasyTest has an Incorrect Authorization vulnerability
CVE-2022-43437 HIGH 8.8 DOWNGRADE The Download function’s parameter of EasyTest has insufficient validation for user input

References

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