How severe is CVE-2023-50457?

CVE-2023-50457 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2023-50457 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-50457?

CVE-2023-50457 primarily affects Zammad. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-50457?

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

When was CVE-2023-50457 published?

CVE-2023-50457 was published on 2023-12-10 and last updated on 2026-06-17.

CVE-2023-50457

CVE-2023-50457 is a medium-severity vulnerability in Zammad with a CVSS 3.x base score of 4.3. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Zammad
Published: 2023-12-10
Last modified: 2026-06-17

Description

An issue was discovered in Zammad before 6.2.0. When listing tickets linked to a knowledge base answer, or knowledge base answers of a ticket, a user could see entries for which they lack permissions.

Frequently asked questions

What is CVE-2023-50457?: An issue was discovered in Zammad before 6.2.0. When listing tickets linked to a knowledge base answer, or knowledge base answers of a ticket, a user could see entries for which they lack permissions.
How severe is CVE-2023-50457?: CVE-2023-50457 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2023-50457 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-50457?: CVE-2023-50457 primarily affects Zammad. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-50457?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-50457 published?: CVE-2023-50457 was published on 2023-12-10 and last updated on 2026-06-17.

References

https://zammad.com/en/advisories/zaa-2023-05

Affected products (3)

cpe:2.3:a:zammad:zammad:6.1.0:-:*:*:*:*:*:*
cpe:2.3:a:zammad:zammad:6.1.0:alpha:*:*:*:*:*:*
cpe:2.3:a:zammad:zammad:6.2.0:alpha:*:*:*:*:*:*

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