AES Encryption Vulnerability in Apache Syncope by Apache
CVE-2025-65998

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Syncope
Vendor
CVE Published:
24 November 2025

What is CVE-2025-65998?

Apache Syncope can utilize AES encryption for storing user passwords in its internal database, but this feature is not enabled by default. When activated, it relies on a hard-coded key, which poses a significant risk. If an attacker gains access to the database, they can use this static key to reveal the original plaintext passwords. It's important to note that this issue does not extend to plain attributes that employ AES encryption. To mitigate this risk, it is highly recommended that users upgrade to Apache Syncope versions 3.0.15 or 4.0.3, where the vulnerability is effectively addressed.

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Affected Version(s)

Apache Syncope 2.1 <= 2.1.14

Apache Syncope 3.0 <= 3.0.14

Apache Syncope 4.0 <= 4.0.2

References

https://lists.apache.org/thread/fjh0tb0d1xkbphc5ogdsc348p...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Clemens Bergmann (Technical University of Darmstadt)
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