CVE-2023-45197: The file upload plugin in Adminer and AdminerEvo allows an attacker to upload a file with a table name of “..”

Q: How do I fix CVE-2023-45197?

adminerevo: upgrade to 4.8.3. Exact commands for each OS are on this page.

Q: Is CVE-2023-45197 being exploited?

CVE-2023-45197 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-45197 affect?

CVE-2023-45197 affects adminerevo. Severity is critical (CVSS 9.8). The file upload plugin in Adminer and AdminerEvo allows an attacker to upload a file with a table name of “..” to the root of the Adminer directory. The attacker can effectively guess the name of the uploaded file and execute it. Adminer is

Q: How urgent is CVE-2023-45197?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

This month

CRITICAL 9.8REMOTEUPGRADE

CVE-2023-45197 is a critical-severity flaw (CVSS 9.8) affecting adminerevo. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The file upload plugin in Adminer and AdminerEvo allows an attacker to upload a file with a table name of “..” to the root of the Adminer directory. The attacker can effectively guess the name of the uploaded file and execute it. Adminer is no longer supported, but this issue was fixed in AdminerEvo version 4.8.3.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-22, CWE-434
Published	2024-06-21
Last modified	2026-06-17

Publisher (CNA): Cybersecurity and Infrastructure Security Agency (CISA) U.S. Civilian Government · Vendor: adminerevo

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

Am I affected?

Timeline

2024-06-21 15:15 UTCPublished CVE record published
2026-06-17 06:28 UTCUpdated Record last modified

adminerevo adminerevo UPGRADE

Affected: < 4.8.3

Fixed in: 4.8.3

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy adminerevo || rpm -q adminerevo || adminerevo --version

2. UPGRADE to 4.8.3 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade adminerevo

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade adminerevo

Note

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

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-2023-45197?

adminerevo: upgrade to 4.8.3. Exact commands for each OS are on this page.

Is CVE-2023-45197 being exploited?

CVE-2023-45197 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-2023-45197 affect?

CVE-2023-45197 affects adminerevo. Severity is critical (CVSS 9.8). The file upload plugin in Adminer and AdminerEvo allows an attacker to upload a file with a table name of “..” to the root of the Adminer directory. The attacker can effectively guess the name of the uploaded file and execute it. Adminer is

How urgent is CVE-2023-45197?

Priority 52/100. Critical severity; Remotely exploitable, no login, no user action

References

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