CVE-2023-4537

HIGHNVD 7.47.4—

7.4

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.

CVSS v3: 7.4
EG Score: 7.4(medium)
EPSS: 29.5%
KEV: Not listed

Published

February 15, 2024

Last Modified

December 23, 2025

References (4)

cvd@certhttps://cert.pl/en/posts/2024/02/CVE-2023-4537/
cvd@certhttps://cert.pl/posts/2024/02/CVE-2023-4537/
af854a3a-2127-422b-91ae-364da2661108https://cert.pl/en/posts/2024/02/CVE-2023-4537/
af854a3a-2127-422b-91ae-364da2661108https://cert.pl/posts/2023/02/CVE-2023-4537/

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 9× in last 7d / 9× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-24 08:27 UTCEG score recompute
2026-05-24 08:27 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-4537?

CVE-2023-4537 is a high vulnerability published on February 15, 2024. 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.

When was CVE-2023-4537 disclosed?

CVE-2023-4537 was first published in the National Vulnerability Database on February 15, 2024, with the most recent update on December 23, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-4537 actively exploited?

CVE-2023-4537 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 29.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-4537?

CVE-2023-4537 has a CVSS v3 base score of 7.4 (NVD).

How do I remediate CVE-2023-4537?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-4537, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-4537

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CVE-2023-4537

📅 Published

🔄 Last Modified

🔗 References (4)