What’s Vulnerable › Vulnerabilities

CVE-2023-4537: Protocol Downgrade in Comarch ERP XL

• Severity: high (CVSS 7.4 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: 2024-02-15 · updated 2026-06-17
• Weakness: CWE-755

Description

Comarch ERP XL client is vulnerable to MS SQL protocol downgrade request from a server side, what could lead to an unencrypted communication vulnerable to data interception and modification. This issue affects ERP XL: from 2020.2.2 through 2023.2.

Affected products

• Comarch ERP XL: from 2020.2.2 through 2023.2

References

• https://cert.pl/en/posts/2024/02/CVE-2023-4537/
• https://cert.pl/posts/2024/02/CVE-2023-4537/
• https://cert.pl/en/posts/2024/02/CVE-2023-4537/
• https://cert.pl/posts/2023/02/CVE-2023-4537/

Get alerted when CVE-2023-4537 or the next vulnerability affects your stack