High severity · published Mar 10, 2022
CVE-2022-0903
A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously…
7.5
CVSS
0.8%
EPSS
No
On KEV
Description
A call stack overflow bug in the SAML login feature in Mattermost server in versions up to and including 6.3.2 allows an attacker to crash the server via submitting a maliciously crafted POST body.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 57% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mattermost Server · Mattermost
before 5.37.8; 6.0.0 before 6.1.3; 6.2.0 before 6.2.3; 6.3.0 before 6.3.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-0903
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-0903
Vendor Advisory
https://mattermost.com/security-updates/
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