# CVE-2025-27497: OpenDJ Denial of Service (DoS) using alias loop

Source: https://junglewise.ai/threats/cve-2025-27497-opendj-denial-of-service-dos-using-alias-loop  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-05  
License: CC BY 4.0 with a link back

CVE-2025-27497 · Severity: medium · CVSS 4 · Published 2025-03-05

OpenDJ Denial of Service (DoS) using alias loop

Technologies: [org.openidentityplatform.opendj:opendj-server-legacy (Maven)](https://junglewise.ai/threats/technologies/org-openidentityplatform-opendj-opendj-server-legacy). Vendors: [Maven](https://junglewise.ai/threats/vendors/maven).

## Quick answers

**Is CVE-2025-27497 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-27497 being exploited in the wild.

**How severe is CVE-2025-27497?** Medium severity, with a CVSS score of 4, published 5 March 2025.

**Which products and versions are affected?** org.openidentityplatform.opendj:opendj-server-legacy (Maven) ECOSYSTEM:introduced=0,fixed=4.9.3.

**Is there a fix for CVE-2025-27497?** Yes. org.openidentityplatform.opendj:opendj-server-legacy (Maven): upgrade to 4.9.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2025-27497?** Check whether you run org.openidentityplatform.opendj:opendj-server-legacy (Maven) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- org.openidentityplatform.opendj:opendj-server-legacy (Maven): upgrade to 4.9.3 or later

  ```sh
  # set org.openidentityplatform.opendj:opendj-server-legacy to 4.9.3 in your pom.xml or build.gradle
  ```


## Affected products

- org.openidentityplatform.opendj:opendj-server-legacy (Maven) ECOSYSTEM:introduced=0,fixed=4.9.3

## Identifiers

- CVE-2025-27497
- GHSA-93qr-h8pr-4593

## Related threats

- [OpenIdentityPlatform OpenDJ deserialization RCE in JMX RMI](https://junglewise.ai/threats/cve-2026-46495-openidentityplatform-opendj-deserialization-rce-in-jmx-rmi)
- [OpenDJ SASL PLAIN authzid bypassing the proxy ACI scope check](https://junglewise.ai/threats/cve-2026-73644-opendj-sasl-plain-authzid-bypassing-the-proxy-aci-scope-check)