CVE-2023-40052: openedge Buffer Overflow — Fix

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.

Is your site exposed to CVE-2023-40052?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.5

HIGH

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

Affected Products

Vendor	Product	Versions
progress	openedge	11.7 — 11.7.18
progress	openedge	12.2 — 12.2.13
progress	openedge_innovation	< 12.8.0

References

Advisories & Patches

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

Other References

https://www.progress.com/openedge https://www.progress.com/openedge

Frequently Asked Questions

What is CVE-2023-40052? +

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. It has a CVSS v3.1 base score of 7.5 (HIGH).

How severe is CVE-2023-40052? +

CVE-2023-40052 has a CVSS v3.1 score of 7.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2023-40052? +

CVE-2023-40052 affects products from progress, specifically: openedge, openedge_innovation. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-40052? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2024-11139

CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists that could allow local attackers to …

CVE-2025-1866

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows Pointer Manipulation, potentially leading …

CVE-2025-2401

Buffer overflow vulnerability in Immunity Debugger affecting version 1.85, its exploitation could allow a local attacker to execute arbitrary code, …

CVE-2025-46333

z2d is a pure Zig 2D graphics library. Versions of z2d after `0.5.1` and up to and including `0.6.0`, when …

CVE-2025-6151

A vulnerability has been found in TP-Link TL-WR940N V4 and TL-WR841N V11. Affected by this issue is some unknown functionality …

CVE-2025-34096

A stack-based buffer overflow vulnerability exists in Easy File Sharing HTTP Server version 7.2. The flaw is triggered when a …

CVE-2023-40052