CVE-2023-51982Public exploitNetwork attack vector

Unauthenticated superuser access via spoofed X-Real-IP

Published Jan 30, 2024 · Updated May 29, 2025

Authentication bypass in CrateDB 5.5.1 allows remote attackers to access the Admin UI as the default superuser via crafted HTTP requests. The HTTP transport accepted a client-supplied X-Real-IP value as the source address, so loopback values matched the local trust rule for the crate superuser. Exposure requires host-based authentication with a local-address trust rule; successful requests receive the crate superuser's database privileges without a password.

CVSS severity8.7
High
EPSS probability0.73%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in CrateDB 5.5.1 allows remote attackers to access the Admin UI as the default superuser via crafted HTTP requests. The HTTP transport accepted a client-supplied X-Real-IP value as the source address, so loopback values matched the local trust rule for the crate superuser. Exposure requires host-based authentication with a local-address trust rule; successful requests receive the crate superuser's database privileges without a password.

The record

CVE
CVE-2023-51982
Published
Jan 30, 2024
Updated
May 29, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-287, T1078.001
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 30, 2024CVE publishedPublication date reported by the CVE source.
  2. May 29, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.7GitHub Advisory DatabaseCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-287Improper Authentication
T1078.001Valid Accounts: Default Accounts

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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