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CVE-2020-9495

18
FAUCET Score

CVE-2020-9495 is an LDAP injection vulnerability affecting Apache Archiva login services prior to version 2.2.5. An unauthenticated attacker can manipulate the login form to extract user attribute data from connected LDAP servers by observing response times. Rated Medium (CVSS 5.3), this vulnerability has a low attack complexity and can lead to sensitive information disclosure (CWE-74). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.5CPE matchmatch criteria
cpe:2.3:a:apache:archiva:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.3MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
8.00%
Probability of exploitation in next 30 days
EPSS Percentile
94.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0800 is in the 92nd percentile among its peer group of 23,705 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

mavenpatch availablevia ghsa
Product: org.apache.archiva:archivaFixed in: 2.2.5

Vendor Advisories (1)

mavenGHSA-v83p-xwm9-v4g8medium

Injection in Apache Archiva

Feb 10, 2022

References

archiva.apache.org / security.html
Vendor Advisory
lists.apache.org / thread.html/r576eaabe3f772c045ec832a0200252494a2ce3f188f59450dd8f9b6d%40%3Cannounce.apache.org%3E
lists.apache.org / thread.html/r576eaabe3f772c045ec832a0200252494a2ce3f188f59450dd8f9b6d%40%3Cdev.archiva.apache.org%3E
lists.apache.org / thread.html/r576eaabe3f772c045ec832a0200252494a2ce3f188f59450dd8f9b6d%40%3Cusers.archiva.apache.org%3E
lists.apache.org / thread.html/r7ae580f700ade57b00641a70a5c639a3ba576893bbf7f9fd93bc491d%40%3Cusers.maven.apache.org%3E
openwall.com / lists/oss-security/2020/06/19/1
Mailing ListThird Party Advisory