CVE-2024-27139Network attack vector

Unauthenticated account takeover via unauthorized data modification

Published Mar 1, 2024 · Updated Apr 16, 2025

Incorrect authorization in Apache Archiva 2.0.0 and later allows remote attackers to modify account data through the web interface. Apache has not disclosed the affected endpoint or the authorization check that accepts unauthenticated account changes. The interface must be network-reachable; successful modification can enable account takeover, and all affected releases are unsupported.

CVSS severity7.5
High
EPSS probability1.33%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect authorization in Apache Archiva 2.0.0 and later allows remote attackers to modify account data through the web interface. Apache has not disclosed the affected endpoint or the authorization check that accepts unauthenticated account changes. The interface must be network-reachable; successful modification can enable account takeover, and all affected releases are unsupported.

The record

CVE
CVE-2024-27139
Published
Mar 1, 2024
Updated
Apr 16, 2025
Vendor
The Apache Software Foundation
Product
Apache Archiva
Classifications
CWE-863, T1098
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 1, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 16, 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?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=2.0.0 <=*

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

The Apache Software Foundation · Apache Archivaversion=2.0.0 <=*

Published CVSS scores

7.5CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
8.7GitHubCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-863Incorrect Authorization
T1098Account Manipulation

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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