CVE-2019-20888

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Source
https://cve.org/CVERecord?id=CVE-2019-20888
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20888.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2019-20888
Published
2020-06-19T17:15:13.957Z
Modified
2026-07-08T05:55:01.531662407Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_STRING",
            "cpes": [
                "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc1:*:*:*:*:*:*"
            ],
            "vendor_product": "mattermost:mattermost_server",
            "extracted_events": [
                {
                    "introduced": "5.7.0-rc1"
                },
                {
                    "last_affected": "5.7.0-rc1"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
877b004e0a3fe0b9e6c12f4084d42e4df08ecc33
Introduced
826252252404c13bf564a8c4fd51616fc2cc4df9
Fixed
dafe9bc2270422116468ac5029e336d9f417ca76
Introduced
0c1207215852a8726c3f09dea157d597fec368df
Fixed
eb65ce62243dcf3ad54fc46e7a03036099656c54
Introduced
93431768f922081249891ff621489be6f4d580fe
Last affected
7e5fda43bda67cd061e527b64046f241c2d6cc32
Database specific 
{
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.10.5"
        },
        {
            "introduced": "5.5.0"
        },
        {
            "fixed": "5.5.2"
        },
        {
            "introduced": "5.6.0"
        },
        {
            "fixed": "5.6.3"
        },
        {
            "introduced": "5.7.0-rc1"
        },
        {
            "last_affected": "5.7.0-rc1"
        },
        {
            "introduced": "5.7.0-rc2"
        },
        {
            "last_affected": "5.7.0-rc2"
        },
        {
            "introduced": "5.7.0-rc3"
        },
        {
            "last_affected": "5.7.0-rc3"
        },
        {
            "introduced": "5.7.0-rc4"
        },
        {
            "last_affected": "5.7.0-rc4"
        },
        {
            "introduced": "5.7.0-rc5"
        },
        {
            "last_affected": "5.7.0-rc5"
        },
        {
            "introduced": "5.7.0-rc6"
        },
        {
            "last_affected": "5.7.0-rc6"
        }
    ],
    "cpe": [
        "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc1:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc2:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc3:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc4:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc5:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.7.0:rc6:*:*:*:*:*:*"
    ]
}

Affected versions

5.*
5.7.0-rc1
5.7.0-rc2
5.7.0-rc3
5.7.0-rc4
5.7.0-rc5
5.7.0-rc6
v0.*
v0.5.0
v4.*
v4.10.0
v4.10.0-rc1
v4.10.0-rc2
v4.10.0-rc3
v4.10.0-rc4
v4.10.0-rc5
v4.10.1
v4.10.1-rc1
v4.10.2
v4.10.2-rc1
v4.10.3
v4.10.3-rc1
v4.10.4
v4.10.4-rc1
v4.2.0-rc1
v4.3.0-rc1
v4.4.0-rc1
v4.5.0-rc1
v4.6.0-rc1
v4.6.0-rc2
v4.7.0-rc1
v4.8.0-rc1
v4.9.0-rc1
v5.*
v5.5.0
v5.5.0-rc3
v5.5.1
v5.5.1-rc1
v5.6.0
v5.6.0-rc6
v5.6.1
v5.6.1-rc1
v5.6.1-rc2
v5.6.1-rc3
v5.6.2
v5.6.2-rc1
v5.7.0
v5.7.0-rc1
v5.7.0-rc2
v5.7.0-rc3
v5.7.0-rc4
v5.7.0-rc5
v5.7.0-rc6

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20888.json"