How severe is CVE-2022-40817?

CVE-2022-40817 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 none, integrity low, and availability none.

Is CVE-2022-40817 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-2022-40817?

CVE-2022-40817 affects Zammad. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40817?

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

When was CVE-2022-40817 published?

CVE-2022-40817 was published on 2022-09-27 and last updated on 2026-06-17.

CVE-2022-40817

CVE-2022-40817 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-732.

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-732
Affected product: Zammad
Published: 2022-09-27
Last modified: 2026-06-17

Description

Zammad 5.2.1 has a fine-grained permission model that allows to configure read-only access to tickets. However, agents were still wrongly able to perform some operations on such tickets, like adding and removing links, tags. and related answers. This issue has been fixed in 5.2.2.

Frequently asked questions

What is CVE-2022-40817?: Zammad 5.2.1 has a fine-grained permission model that allows to configure read-only access to tickets. However, agents were still wrongly able to perform some operations on such tickets, like adding and removing links, tags. and related answers. This issue has been fixed in 5.2.2.
How severe is CVE-2022-40817?: CVE-2022-40817 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 none, integrity low, and availability none.
Is CVE-2022-40817 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-2022-40817?: CVE-2022-40817 affects Zammad. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40817?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-40817 published?: CVE-2022-40817 was published on 2022-09-27 and last updated on 2026-06-17.

References

https://zammad.com/de/advisories/zaa-2022-10

Affected products (1)

cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*

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