How severe is CVE-2023-4537?

CVE-2023-4537 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2023-4537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4537?

CVE-2023-4537 affects Comarch Erp Xl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4537?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2023-4537 have an EU (EUVD) identifier?

Yes. CVE-2023-4537 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54392.

When was CVE-2023-4537 published?

CVE-2023-4537 was published on 2024-02-15 and last updated on 2026-06-17.

CVE-2023-4537

CVE-2023-4537 is a high-severity vulnerability in Comarch Erp Xl with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-755.

Key facts

Severity: High (CVSS 3.x base score 7.4)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54392
Weakness: CWE-755
Affected product: Comarch Erp Xl
Published: 2024-02-15
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-4537?: 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.
How severe is CVE-2023-4537?: CVE-2023-4537 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2023-4537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4537?: CVE-2023-4537 affects Comarch Erp Xl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2023-4537 have an EU (EUVD) identifier?: Yes. CVE-2023-4537 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54392.
When was CVE-2023-4537 published?: CVE-2023-4537 was published on 2024-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:comarch:erp_xl:*:*:*:*:*:*:*:*

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