CVE-2019-20888

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
2026-04-10T04:17:14.460962Z
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.

References

Affected packages

Git / github.com/mattermost/mattermost-server

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost-server
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
Introduced
Fixed
Introduced
Fixed
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Introduced
0 Unknown introduced commit / All previous commits are affected
Last affected
Database specific
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.10.5"
        },
        {
            "introduced": "5.5.0"
        },
        {
            "fixed": "5.5.2"
        },
        {
            "introduced": "5.6.0"
        },
        {
            "fixed": "5.6.3"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.7.0-rc1"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.7.0-rc2"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.7.0-rc3"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.7.0-rc4"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.7.0-rc5"
        },
        {
            "introduced": "0"
        },
        {
            "last_affected": "5.7.0-rc6"
        }
    ]
}

Affected versions

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"