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CVE-2020-9495

MEDIUM
5.3
CVSS Score
Published: June 19, 2020 at 06:59 PM UTC
Updated: June 17, 2026 at 03:28 AM UTC
1 product affected across 1 vendorArchiva

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Severity
MEDIUM5.3
Exploit prediction
EPSS 8%

Description

Apache Archiva login service before 2.2.5 is vulnerable to LDAP injection. A attacker is able to retrieve user attribute data from the connected LDAP server by providing special values to the login form. With certain characters it is possible to modify the LDAP filter used to query the LDAP users. By measuring the response time for the login request, arbitrary attribute data can be retrieved from LDAP user objects.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Archiva· Apache
95%
v ≤ 2.2.4
Affected range stops below 2.2.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

x_refsource_MISCVendor Advisory
Source: [email protected]
http://archiva.apache.org/security.html#CVE-2020-9495
Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2020/06/19/1
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r576eaabe3f772c045ec832a0200252494a2ce3f188f59450dd8f9b6d%40%3Cannounce.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r576eaabe3f772c045ec832a0200252494a2ce3f188f59450dd8f9b6d%40%3Cdev.archiva.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r576eaabe3f772c045ec832a0200252494a2ce3f188f59450dd8f9b6d%40%3Cusers.archiva.apache.org%3E
Mailing Listx_refsource_MLIST
Source: [email protected]
https://lists.apache.org/thread.html/r7ae580f700ade57b00641a70a5c639a3ba576893bbf7f9fd93bc491d%40%3Cusers.maven.apache.org%3E

CVSS

5.3MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-74

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