CVE-2017-18884

HIGHCVSS 8.1/10EPSS 0.81%

Last modified

CVE-2017-18884 is a high-severity vulnerability rated 8.1/10 on the CVSS scale. An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.. EPSS estimates a 0.81% chance of exploitation in the next 30 days.

Description

An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.

Metrics

CVSS 3.1
8.1/10

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

EPSS Probability
0.81%

52.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MattermostMattermost Server< 4.1.2
MattermostMattermost Server>= 4.2.0, < 4.2.1
MattermostMattermost Server4.3.0Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-18884?
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.
How severe is CVE-2017-18884?
CVE-2017-18884 has a CVSS score of 8.1/10 (HIGH severity). The EPSS model estimates a 0.81% probability of exploitation in the next 30 days.
How do I fix CVE-2017-18884?
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-2017-18884?

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

Scan your code now

Source: NVD / NIST