CVE-2019-20844

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Source

https://cve.org/CVERecord?id=CVE-2019-20844

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20844.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2019-20844

Published

2020-06-19T14:15:10.510Z

Modified

2026-07-08T05:53:26.018988332Z

Severity

6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N CVSS Calculator

Summary

[none]

Details

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.

Database specific

{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc1:*:*:*:*:*:*",
                "cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc3:*:*:*:*:*:*"
            ],
            "source": "CPE_STRING",
            "vendor_product": "mattermost:mattermost_server",
            "extracted_events": [
                {
                    "introduced": "5.18.0-rc1"
                },
                {
                    "last_affected": "5.18.0-rc1"
                },
                {
                    "introduced": "5.18.0-rc3"
                },
                {
                    "last_affected": "5.18.0-rc3"
                }
            ]
        }
    ]
}

References

https://mattermost.com/security-updates/

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type

GIT

Repo

https://github.com/mattermost/mattermost

Events

Introduced

Fixed

1c81f4f5f7d6212d93a5bb8fc95c43252d22fc59

Introduced

f4f7fd0829d74fcd5e290fd1ba76845af18e553e

Fixed

0e3514cb61a6ce17d8e5edfad2c4793ab1cdec8a

Introduced

6597fdb40134965e26f715854dc85f5e6cfaa6df

Fixed

e16012435f82afafdfdd7963e95d86c9e8538322

Introduced

c81e4f87c20a717b1dc52b2b77780fa789e19148

Fixed

ca0518420b931db0923c97ec17e05e150a729a64

Introduced

20f13aa07eb468e29bc0dd1a52941cb7c4532ccb

Last affected

cd38d63bf448ae791f252c3704a705e94b26959f

Database specific

{
    "source": [
        "CPE_RANGE",
        "CPE_STRING"
    ],
    "cpe": [
        "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc1:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc2:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc3:*:*:*:*:*:*",
        "cpe:2.3:a:mattermost:mattermost_server:5.18.0:rc4:*:*:*:*:*:*"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "5.9.7"
        },
        {
            "introduced": "5.15.0"
        },
        {
            "fixed": "5.15.4"
        },
        {
            "introduced": "5.16.0"
        },
        {
            "fixed": "5.16.4"
        },
        {
            "introduced": "5.17.0"
        },
        {
            "fixed": "5.17.2"
        },
        {
            "introduced": "5.18.0-rc1"
        },
        {
            "last_affected": "5.18.0-rc1"
        },
        {
            "introduced": "5.18.0-rc2"
        },
        {
            "last_affected": "5.18.0-rc2"
        },
        {
            "introduced": "5.18.0-rc3"
        },
        {
            "last_affected": "5.18.0-rc3"
        },
        {
            "introduced": "5.18.0-rc4"
        },
        {
            "last_affected": "5.18.0-rc4"
        }
    ]
}

Affected versions

5.*

5.18.0-rc1

5.18.0-rc2

5.18.0-rc3

v0.*

v0.5.0

v4.*

v4.10.0-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.*

v5.0.0-rc1

v5.1.0-rc1

v5.15.0

v5.15.0-rc4

v5.15.1

v5.15.1-rc1

v5.15.2

v5.15.2-rc1

v5.15.2-rc2

v5.15.3

v5.15.3-rc1

v5.16.0

v5.16.0-rc3

v5.16.1

v5.16.1-rc1

v5.16.1-rc2

v5.16.2

v5.16.2-rc1

v5.16.3

v5.16.3-rc1

v5.17.0

v5.17.0-rc3

v5.17.0-rc4

v5.17.1

v5.17.1-rc1

v5.18.0

v5.18.0-rc1

v5.18.0-rc2

v5.18.0-rc3

v5.18.0-rc4

v5.2.0-rc1

v5.2.0-rc2

v5.8.0

v5.8.0-rc1

v5.8.0-rc2

v5.8.0-rc3

v5.8.0-rc4

v5.9.0

v5.9.0-rc1

v5.9.0-rc2

v5.9.0-rc3

v5.9.0-rc4

v5.9.1

v5.9.1-rc1

v5.9.2

v5.9.2-rc1

v5.9.3

v5.9.3-rc1

v5.9.4

v5.9.4-rc1

v5.9.5

v5.9.5-rc1

v5.9.6

v5.9.6-rc1

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-20844.json"