CVE-2023-32987Network attack vector

Attacker-controlled LDAP connection via CSRF

Published May 16, 2023 · Updated Jan 23, 2025

Cross-site request forgery in Jenkins Reverse Proxy Auth Plugin 1.7.4 and earlier allows attackers to initiate LDAP connections. A form validation method accepts non-POST requests and passes attacker-controlled LDAP server and credential values into a connection attempt. Exploitation requires user interaction and causes the Jenkins controller to connect to the selected LDAP endpoint.

CVSS severity8.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site request forgery in Jenkins Reverse Proxy Auth Plugin 1.7.4 and earlier allows attackers to initiate LDAP connections. A form validation method accepts non-POST requests and passes attacker-controlled LDAP server and credential values into a connection attempt. Exploitation requires user interaction and causes the Jenkins controller to connect to the selected LDAP endpoint.

The record

CVE
CVE-2023-32987
Published
May 16, 2023
Updated
Jan 23, 2025
Vendor
Jenkins Project
Product
Jenkins Reverse Proxy Auth Plugin
Classifications
CWE-352, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 16, 2023CVE publishedPublication date reported by the CVE source.
  2. Jan 23, 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=0 <=1.7.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Jenkins Project · Jenkins Reverse Proxy Auth Pluginversion=0 <=1.7.4

Published CVSS scores

8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-352Cross-Site Request Forgery (CSRF)
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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