CVE-2017-18899

MEDIUMCVSS 5.3/10EPSS 1.10%

Last modified

CVE-2017-18899 is a medium-severity vulnerability rated 5.3/10 on the CVSS scale. An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It mishandles IP-based rate limiting.. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It mishandles IP-based rate limiting.

Metrics

CVSS 3.1
5.3/10

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

EPSS Probability
1.10%

61.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MattermostMattermost Server< 4.0.5
MattermostMattermost Server>= 4.1.0, < 4.1.1
MattermostMattermost Server4.2.0Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-18899?
An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It mishandles IP-based rate limiting.
How severe is CVE-2017-18899?
CVE-2017-18899 has a CVSS score of 5.3/10 (MEDIUM severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18899?
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-2017-18899?

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

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Source: NVD / NIST