CVE-2023-51982: CrateDB 5.5.1 is contains an authentication bypass vulnerability in the Admin UI component

This week

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2023-51982 is a critical-severity flaw (CVSS 9.8) affecting cratedb. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

CrateDB 5.5.1 is contains an authentication bypass vulnerability in the Admin UI component. After configuring password authentication and_ Local_ In the case of an address, identity authentication can be bypassed by setting the X-Real IP request header to a specific value and accessing the Admin UI directly using the default user identity.(https://github.com/crate/crate/issues/15231)

Why this priority

Critical severity
Public exploit reference
Remotely exploitable, no login, no user action

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

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 46%)
CISA exploited list	No
Weakness	CWE-287
Published	2024-01-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cratedb

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

Am I affected?

Timeline

2024-01-30 01:15 UTCPublished CVE record published
2026-06-17 06:41 UTCUpdated Record last modified

cratedb cratedb DOWNGRADE

Affected: 5.5.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 5.5.1

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 5.5.1 (Debian / Ubuntu)

apt-cache madison cratedb sudo apt install cratedb=<VERSION_BEFORE_5.5.1> sudo apt-mark hold cratedb

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

dnf --showduplicates list cratedb sudo dnf downgrade cratedb-<VERSION_BEFORE_5.5.1> sudo dnf versionlock add cratedb

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-2023-51982?

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

Is CVE-2023-51982 being exploited?

CVE-2023-51982 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-2023-51982 affect?

CVE-2023-51982 affects cratedb. Severity is critical (CVSS 9.8). CrateDB 5.5.1 is contains an authentication bypass vulnerability in the Admin UI component. After configuring password authentication and_ Local_ In the case of an address, identity authentication can be bypassed by setting the X-Real IP re

How urgent is CVE-2023-51982?

Priority 58/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

GitHub vulnerabilities

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References

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