Vulnerability Details CVE-2023-40703
Mattermost fails to properly limit the characters allowed in different fields of a block in Mattermost Boards allowing a attacker to consume excessive resources, possibly leading to Denial of Service, by patching the field of a block using a specially crafted string.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.007
EPSS Ranking 51.0%
CVSS Severity
CVSS v3 Score 4.3
Products affected by CVE-2023-40703
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cpe:2.3:a:mattermost:mattermost:*
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cpe:2.3:a:mattermost:mattermost:-
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cpe:2.3:a:mattermost:mattermost:1.21.0
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cpe:2.3:a:mattermost:mattermost:1.21.1
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cpe:2.3:a:mattermost:mattermost:1.21.2
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cpe:2.3:a:mattermost:mattermost:1.22.0
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cpe:2.3:a:mattermost:mattermost:1.22.1
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cpe:2.3:a:mattermost:mattermost:1.23.0
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cpe:2.3:a:mattermost:mattermost:1.23.1
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cpe:2.3:a:mattermost:mattermost:1.24.0
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cpe:2.3:a:mattermost:mattermost:1.25.0
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cpe:2.3:a:mattermost:mattermost:1.25.1
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cpe:2.3:a:mattermost:mattermost:1.26.0
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cpe:2.3:a:mattermost:mattermost:1.26.1
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cpe:2.3:a:mattermost:mattermost:1.26.2
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cpe:2.3:a:mattermost:mattermost:1.27.0
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cpe:2.3:a:mattermost:mattermost:1.27.1
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cpe:2.3:a:mattermost:mattermost:1.28.0
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cpe:2.3:a:mattermost:mattermost:1.29.0
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cpe:2.3:a:mattermost:mattermost:1.30.0
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cpe:2.3:a:mattermost:mattermost:1.30.1
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cpe:2.3:a:mattermost:mattermost:1.31.0
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cpe:2.3:a:mattermost:mattermost:1.31.1
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cpe:2.3:a:mattermost:mattermost:1.31.2
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cpe:2.3:a:mattermost:mattermost:1.32.0
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cpe:2.3:a:mattermost:mattermost:1.32.1
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cpe:2.3:a:mattermost:mattermost:1.32.2
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cpe:2.3:a:mattermost:mattermost:1.33.0
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cpe:2.3:a:mattermost:mattermost:1.33.1
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cpe:2.3:a:mattermost:mattermost:1.34.0
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cpe:2.3:a:mattermost:mattermost:1.34.1
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cpe:2.3:a:mattermost:mattermost:1.35.0
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cpe:2.3:a:mattermost:mattermost:1.35.1
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cpe:2.3:a:mattermost:mattermost:1.36.0
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cpe:2.3:a:mattermost:mattermost:1.37.0
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cpe:2.3:a:mattermost:mattermost:1.38.0
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cpe:2.3:a:mattermost:mattermost:1.38.1
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cpe:2.3:a:mattermost:mattermost:1.39.0
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cpe:2.3:a:mattermost:mattermost:1.40.0
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cpe:2.3:a:mattermost:mattermost:1.41.0
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cpe:2.3:a:mattermost:mattermost:1.41.1
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cpe:2.3:a:mattermost:mattermost:9.1.0