What’s Vulnerable › Vulnerabilities

CVE-2023-40052: Progress Application Server (PAS) for OpenEdge Denial of Service

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-18 · updated 2026-06-17
• Weakness: CWE-119

Description

This issue affects Progress Application Server (PAS) for OpenEdge in versions 11.7 prior to 11.7.18, 12.2 prior to 12.2.13, and innovation releases prior to 12.8.0 .  An attacker who can produce a malformed web request may cause the crash of a PASOE agent potentially disrupting the thread activities of many web application clients. Multiple of these DoS attacks could lead to the flooding of invalid requests as compared to the server’s remaining ability to process valid requests.

Affected products

• Progress Software Corporation OpenEdge: from 11.7 before 11.7.18; from 12.2 before 12.2.13 — fixed in 11.7.18, 12.2.13
• Progress Openedge Innovation: before 12.8.0 — fixed in 12.8.0

How to fix

Upgrade to a fixed version: Progress Software Corporation OpenEdge 11.7.18, 12.2.13; Progress Openedge Innovation 12.8.0. Check the vendor advisory for mitigations.

References

• https://community.progress.com/s/article/Important-Progress-OpenEdge-Product-Alert-for-Progress-Application-Server-for-OpenEdge-PASOE-Denial-of-Service-Vulnerability-in-WEB-Transport
• https://www.progress.com/openedge
• https://community.progress.com/s/article/Important-Progress-OpenEdge-Product-Alert-for-Progress-Application-Server-for-OpenEdge-PASOE-Denial-of-Service-Vulnerability-in-WEB-Transport
• https://www.progress.com/openedge

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