How severe is CVE-2023-4539?

CVE-2023-4539 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-4539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-4539?

CVE-2023-4539 affects Comarch Erp Xl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-4539?

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-2023-4539 have an EU (EUVD) identifier?

Yes. CVE-2023-4539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54394.

When was CVE-2023-4539 published?

CVE-2023-4539 was published on 2024-02-15 and last updated on 2026-06-17.

CVE-2023-4539

CVE-2023-4539 is a high-severity vulnerability in Comarch Erp Xl with a CVSS 3.x base score of 7.5. 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-798.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-54394
Weakness: CWE-798
Affected product: Comarch Erp Xl
Published: 2024-02-15
Last modified: 2026-06-17

Description

Use of a hard-coded password for a special database account created during Comarch ERP XL installation allows an attacker to retrieve embedded sensitive data stored in the database. The password is same among all Comarch ERP XL installations. This issue affects ERP XL: from 2020.2.2 through 2023.2.

Frequently asked questions

What is CVE-2023-4539?: Use of a hard-coded password for a special database account created during Comarch ERP XL installation allows an attacker to retrieve embedded sensitive data stored in the database. The password is same among all Comarch ERP XL installations. This issue affects ERP XL: from 2020.2.2 through 2023.2.
How severe is CVE-2023-4539?: CVE-2023-4539 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-4539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-4539?: CVE-2023-4539 affects Comarch Erp Xl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-4539?: 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-2023-4539 have an EU (EUVD) identifier?: Yes. CVE-2023-4539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-54394.
When was CVE-2023-4539 published?: CVE-2023-4539 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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