How severe is CVE-2022-27332?

CVE-2022-27332 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.

Is CVE-2022-27332 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-27332?

CVE-2022-27332 affects Zammad. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-27332?

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

When was CVE-2022-27332 published?

CVE-2022-27332 was published on 2022-04-27 and last updated on 2026-06-17.

CVE-2022-27332

CVE-2022-27332 is a critical-severity vulnerability in Zammad with a CVSS 3.x base score of 9.1. 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-306.

Key facts

Severity: Critical (CVSS 3.x base score 9.1)
CVSS v2: 5.8
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Zammad
Published: 2022-04-27
Last modified: 2026-06-17

Description

An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication. This vulnerability can allow attackers to execute phishing attacks or cause a Denial of Service (DoS).

Frequently asked questions

What is CVE-2022-27332?: An access control issue in Zammad v5.0.3 allows attackers to write entries to the CTI caller log without authentication. This vulnerability can allow attackers to execute phishing attacks or cause a Denial of Service (DoS).
How severe is CVE-2022-27332?: CVE-2022-27332 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability high.
Is CVE-2022-27332 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-27332?: CVE-2022-27332 affects Zammad. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-27332?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-27332 published?: CVE-2022-27332 was published on 2022-04-27 and last updated on 2026-06-17.

References

https://zammad.com/en/advisories/zaa-2022-01

Affected products (1)

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

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