How severe is CVE-2023-38327?

CVE-2023-38327 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-38327 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-38327?

CVE-2023-38327 affects Egroupware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-38327?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-38327 have an EU (EUVD) identifier?

Yes. CVE-2023-38327 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42145.

When was CVE-2023-38327 published?

CVE-2023-38327 was published on 2025-07-11 and last updated on 2026-06-17.

CVE-2023-38327

CVE-2023-38327 is a medium-severity vulnerability in Egroupware with a CVSS 3.x base score of 5.3. 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-203.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (22nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-42145
Weakness: CWE-203
Affected product: Egroupware
Published: 2025-07-11
Last modified: 2026-06-17

Description

An issue was discovered in eGroupWare 17.1.20190111. A User Enumeration vulnerability exists under calendar/freebusy.php, which allows unauthenticated remote attackers to enumerate the users of web applications based on server response.

Frequently asked questions

What is CVE-2023-38327?: An issue was discovered in eGroupWare 17.1.20190111. A User Enumeration vulnerability exists under calendar/freebusy.php, which allows unauthenticated remote attackers to enumerate the users of web applications based on server response.
How severe is CVE-2023-38327?: CVE-2023-38327 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-38327 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (22nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-38327?: CVE-2023-38327 affects Egroupware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-38327?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-38327 have an EU (EUVD) identifier?: Yes. CVE-2023-38327 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-42145.
When was CVE-2023-38327 published?: CVE-2023-38327 was published on 2025-07-11 and last updated on 2026-06-17.

References

https://www.gruppotim.it/it/footer/red-team.html

Affected products (1)

cpe:2.3:a:egroupware:egroupware:17.1.20190111:*:*:*:community:*:*:*

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