CVE-2017-20066: A vulnerability has been found in Adminer Login 1.4.4 and classified as problematic

Routine

MEDIUM 5.3DOWNGRADE

CVE-2017-20066 is a medium-severity flaw (CVSS 5.3) affecting adminer login. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been found in Adminer Login 1.4.4 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to improper access controls. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	5.3 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-284, CWE-863
Published	2022-06-20
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: adminer login project

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

Am I affected?

Timeline

2022-06-20 20:15 UTCPublished CVE record published
2026-06-17 01:15 UTCUpdated Record last modified

adminer login project adminer login DOWNGRADE

Affected: 1.4.4

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.4.4

1. Check installed version

apt-cache policy adminer-login || rpm -q adminer-login || adminer-login --version

2. No fixed release: DOWNGRADE to a release before 1.4.4 (Debian / Ubuntu)

apt-cache madison adminer-login sudo apt install adminer-login=<VERSION_BEFORE_1.4.4> sudo apt-mark hold adminer-login

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

dnf --showduplicates list adminer-login sudo dnf downgrade adminer-login-<VERSION_BEFORE_1.4.4> sudo dnf versionlock add adminer-login

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-2017-20066?

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

Is CVE-2017-20066 being exploited?

CVE-2017-20066 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-2017-20066 affect?

CVE-2017-20066 affects adminer login. Severity is medium (CVSS 5.3). A vulnerability has been found in Adminer Login 1.4.4 and classified as problematic. This vulnerability affects unknown code. The manipulation leads to improper access controls. It is possible to launch the attack on the local host. The exp

How urgent is CVE-2017-20066?

Priority 32/100. Public exploit reference

References

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