CVE-2020-10104

Name: CVE-2020-10104
Creator: NVD / NIST
Published: 2020-03-05T01:15:12.117+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2020-10104 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. An issue was discovered in Zammad 3.0 through 3.2. After authentication, it transmits sensitive information to the user that may be compromised and used by an attacker to gain unauthorized access. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

An issue was discovered in Zammad 3.0 through 3.2. After authentication, it transmits sensitive information to the user that may be compromised and used by an attacker to gain unauthorized access. Hashed passwords are returned to the user when visiting a certain URL.

Metrics

CVSS 3.1

4.3/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS Probability

0.83%

52.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-200

Affected Software

Vendor	Product	Versions
Zammad	Zammad	>= 1.0.0, <= 3.2.0

References

https://zammad.com/news/security-advisory-zaa-2020-04Patch, Vendor Advisory
https://zammad.com/news/security-advisory-zaa-2020-04Patch, Vendor Advisory

Timeline

Published: Mar 5, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10104?

How severe is CVE-2020-10104?

CVE-2020-10104 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10104?

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-2020-10104?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST