CVE-2023-29471

Credential disclosure via unfiltered configuration debug logging

Published Apr 27, 2023 · Updated Jan 31, 2025

Cleartext credential logging in Lightbend Alpakka Kafka before 4.0.2 allows local users to read Kafka login secrets from debug logs. KafkaConsumerActor sends ConsumerSettings to debug logging, while its toString method prints every property except keys ending in .password. Exposure requires debug logging, a plain cleartext login configuration, and access to application logs; the consequence is credential disclosure only.

CVSS severity5.5
Medium
EPSS probability0.15%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cleartext credential logging in Lightbend Alpakka Kafka before 4.0.2 allows local users to read Kafka login secrets from debug logs. KafkaConsumerActor sends ConsumerSettings to debug logging, while its toString method prints every property except keys ending in .password. Exposure requires debug logging, a plain cleartext login configuration, and access to application logs; the consequence is credential disclosure only.

The record

CVE
CVE-2023-29471
Published
Apr 27, 2023
Updated
Jan 31, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-312, CWE-532, T1552.001
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 27, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 31, 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 vectorlocal
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.5GitHub Advisory DatabaseCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A: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.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-312Cleartext Storage of Sensitive Information
CWE-532Insertion of Sensitive Information into Log File
T1552.001Credentials In Files

Public exploit references

No public exploit references are available in this record.

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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