cve.bz

CVE-2017-18873

5.3 mediumEPSS 1.1%

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.

Severity

CVSS 3.1

5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE
CWE-20
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-x6mw-hf2j-vqpcGogithub.com/mattermost/mattermost-server<4.1.2-0.20171013141717-ee57a5829ab14.1.2-0.20171013141717-ee57a5829ab1
GHSA-x6mw-hf2j-vqpcGogithub.com/mattermost/mattermost-server>=4.2.0 <4.2.1-0.20171013140502-b3e4b0ac91684.2.1-0.20171013140502-b3e4b0ac9168
GHSA-x6mw-hf2j-vqpcGogithub.com/mattermost/mattermost-server>=4.3.0-rc1 <4.3.04.3.0
GO-2026-4282Gogithub.com/mattermost/mattermost-server<4.1.2-0.20171013141717-ee57a5829ab1+incompatible
>=4.2.0+incompatible <4.2.1-0.20171013140502-b3e4b0ac9168+incompatible
>=4.3.0-rc1+incompatible <4.3.0+incompatible		4.1.2-0.20171013141717-ee57a5829ab1+incompatible, 4.2.1-0.20171013140502-b3e4b0ac9168+incompatible, 4.3.0+incompatible

References

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