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CVE-2025-64408

28
FAUCET Score

CVE-2025-64408 describes a critical Java deserialization vulnerability in Apache Causeway, affecting all applications utilizing its ViewModel functionality. Authenticated attackers can exploit this flaw via user-controllable URL parameters to achieve Remote Code Execution (RCE) with application privileges. Rated with a CVSS score of 6.3 (Medium), this vulnerability has a low attack complexity and can lead to limited impact on confidentiality, integrity, and availability. While no public exploits, Metasploit modules, or Nuclei templates are currently available, and community discussion is minimal, users are strongly advised to upgrade to version 3.5.0 to mitigate this risk.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.0.0, < 3.5.0CPE matchmatch criteria
cpe:2.3:a:apache:causeway:*:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:apache:causeway:4.0.0:m1:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.3MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
2.8
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
10.57%
Probability of exploitation in next 30 days
EPSS Percentile
95.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.1057 is in the 99th percentile among its peer group of 21,977 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 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 (4)

mavenpatch availablevia ghsa
Product: org.apache.causeway.commons:causeway-commonsFixed in: 3.5.0
mavenpatch availablevia ghsa
Product: org.apache.causeway.core:causeway-applibFixed in: 3.5.0
mavenpatch availablevia ghsa
Product: org.apache.causeway.core:causeway-coreFixed in: 3.5.0
mavenpatch availablevia ghsa
Product: org.apache.causeway.viewer:causeway-viewer-wicketFixed in: 3.5.0

Vendor Advisories (1)

mavenGHSA-wq4c-57mh-5f7gcritical

Apache Causeway vulnerable to deserialization in Java

Nov 19, 2025

References

openwall.com / lists/oss-security/2025/11/19/1
Mailing ListThird Party Advisory
lists.apache.org / thread/rjlg4spqhmgy1xgq9wq5h2tfnq4pm70b
Mailing ListVendor Advisory