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CVE-2023-50454

MEDIUMCVSS 5.9/10EPSS 0.28%

Last modified

CVE-2023-50454 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. EPSS estimates a 0.28% chance of exploitation in the next 30 days.

Description

An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.

Metrics

CVSS 3.1
5.9/10

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

EPSS Probability
0.28%

19.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
ZammadZammad6.1.0—
ZammadZammad6.2.0Alpha

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-50454?
An issue was discovered in Zammad before 6.2.0. In several subsystems, SSL/TLS was used to establish connections to external services without proper validation of hostname and certificate authority. This is exploitable by man-in-the-middle attackers.
How severe is CVE-2023-50454?
CVE-2023-50454 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.28% probability of exploitation in the next 30 days.
How do I fix CVE-2023-50454?
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-2023-50454?

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

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Source: NVD / NIST