CVE-2022-35490
CVE-2022-35490 is a critical-severity vulnerability in Zammad with a CVSS 3.x base score of 9.8. 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-307.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 1% (50th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-307
- Affected product: Zammad
- Published:
- Last modified:
Description
Zammad 5.2.0 is vulnerable to privilege escalation. Zammad has a prevention against brute-force attacks trying to guess login credentials. After a configurable amount of attempts, users are invalidated and logins prevented. An attacker might work around this prevention, enabling them to send more than the configured amount of requests before the user invalidation takes place.
Frequently asked questions
- What is CVE-2022-35490?
- Zammad 5.2.0 is vulnerable to privilege escalation. Zammad has a prevention against brute-force attacks trying to guess login credentials. After a configurable amount of attempts, users are invalidated and logins prevented. An attacker might work around this prevention, enabling them to send more than the configured amount of requests before the user invalidation takes place.
- How severe is CVE-2022-35490?
- CVE-2022-35490 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2022-35490 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2022-35490?
- CVE-2022-35490 primarily affects Zammad. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2022-35490?
- 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-2022-35490 published?
- CVE-2022-35490 was published on 2022-08-08 and last updated on 2026-06-17.
References
Affected products (2)
- cpe:2.3:a:zammad:zammad:5.2.0:-:*:*:*:*:*:*
- cpe:2.3:a:zammad:zammad:5.2.0:alpha:*:*:*:*:*:*
More vulnerabilities in Zammad
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- CVE-2021-42094 — Critical (CVSS 9.8): An issue was discovered in Zammad before 4.1.1. Command Injection can occur via custom Packages.
- CVE-2020-26030 — Critical (CVSS 9.8): An issue was discovered in Zammad before 3.4.1. There is an authentication bypass in the SSO endpoint via a crafted…
- CVE-2017-6080 — Critical (CVSS 9.8): An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, caused by lack of a…
- CVE-2017-5619 — Critical (CVSS 9.8): An issue was discovered in Zammad before 1.0.4, 1.1.x before 1.1.3, and 1.2.x before 1.2.1. Attackers can login with…
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