CVE-2019-20859

HIGHCVSS 7.5/10EPSS 1.17%

Last modified

CVE-2019-20859 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.. EPSS estimates a 1.17% chance of exploitation in the next 30 days.

Description

An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
1.17%

63.3th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

VendorProductVersionsUpdate
MattermostMattermost Server< 4.10.8
MattermostMattermost Server>= 5.7.0, < 5.7.3
MattermostMattermost Server>= 5.8.0, < 5.8.1
MattermostMattermost Server5.9.0Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-20859?
An issue was discovered in Mattermost Server before 5.15.0. Login access control can be bypassed via crafted input.
How severe is CVE-2019-20859?
CVE-2019-20859 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.17% probability of exploitation in the next 30 days.
How do I fix CVE-2019-20859?
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-2019-20859?

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

Scan your code now

Source: NVD / NIST