CVE-2020-26029
MEDIUMCVSS 6.5/10EPSS 0.78%
Last modified
CVE-2020-26029 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. An issue was discovered in Zammad before 3.4.1. There are wrong authorization checks for impersonation requests via X-On-Behalf-Of. EPSS estimates a 0.78% chance of exploitation in the next 30 days.
Description
An issue was discovered in Zammad before 3.4.1. There are wrong authorization checks for impersonation requests via X-On-Behalf-Of. The authorization checks are performed for the actual user and not the one given in the X-On-Behalf-Of header.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Zammad | Zammad | >= 1.0.0, < 3.4.1 |
References
- https://zammad.com/news/security-advisory-zaa-2020-20Vendor Advisory
- https://zammad.com/news/security-advisory-zaa-2020-20Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-26029?
An issue was discovered in Zammad before 3.4.1. There are wrong authorization checks for impersonation requests via X-On-Behalf-Of. The authorization checks are performed for the actual user and not the one given in the X-On-Behalf-Of header.
How severe is CVE-2020-26029?
CVE-2020-26029 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.78% probability of exploitation in the next 30 days.
How do I fix CVE-2020-26029?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-26029?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST