CVEs (452)
CVE VENDORS PRODUCTS UPDATED PUBLISHED CVSS |
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1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.21.0. Socket read operations are not appropriately restricted, which allows attackers to cause a denial of service, aka MMSA-2020-0005. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.21.0. mmctl allows directory traversal via HTTP, aka MMSA-2020-0014. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.22.0. The markdown renderer allows attackers to cause a denial of service (client-side), aka MMSA-2020-0017. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.23.0. Automatic direct message replies allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0020. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.23.0. Large webhook requests allow attackers to cause a denial of service (infinite loop), aka MMSA-2020-0021. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 5.3 MEDIUM· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0. An attacker can send a user_typing WebSocket event to any channel. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0. It has weak permissions for server-local file storage. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0. It allows attackers to cause a denial of service (memory consumption) via a large Slack import. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 6.5 MEDIUM· v3 4.3 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. An attacker can spoof a direct-message channel by changing the type of a channel. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.5 HIGH· v3 5.0 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. There are weak permissions for configuration files. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 7.2 HIGH· v3 6.5 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. There is SQL injection by admins via SearchAllChannels. |
1Mattermost 1Mattermost Server Jun 17, 2026 Jun 19, 2020 N/A· v4 8.8 HIGH· v3 6.8 MEDIUM· v2 An issue was discovered in Mattermost Server before 5.18.0, 5.17.2, 5.16.4, 5.15.4, and 5.9.7. CSRF can sometimes occur via a crafted web site for account takeover attacks. |