CVE-2025-20051

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Source
https://cve.org/CVERecord?id=CVE-2025-20051
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-20051.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2025-20051
Aliases
Downstream
CGA (20)
openSUSE (1)
Related
Published
2025-02-24T07:27:23Z
Modified
2026-08-12T03:30:50Z
Severity
  • 9.9 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H CVSS Calculator
Summary
Arbitrary file read via block duplication in Mattermost Boards
Details

Mattermost versions 10.4.x <= 10.4.1, 9.11.x <= 9.11.7, 10.3.x <= 10.3.2, 10.2.x <= 10.2.2 fail to properly validate input when patching and duplicating a board, which allows a user to read any arbitrary file on the system via duplicating a specially crafted block in Boards.

Database specific 
{
    "cna_assigner":  "Mattermost",
    "cwe_ids":  [
        "CWE-22"
    ],
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/20xxx/CVE-2025-20051.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "10.4.0"
                },
                {
                    "last_affected":  "10.4.1"
                },
                {
                    "introduced":  "9.11.0"
                },
                {
                    "last_affected":  "9.11.7"
                },
                {
                    "introduced":  "10.3.0"
                },
                {
                    "last_affected":  "10.3.2"
                },
                {
                    "introduced":  "10.2.0"
                },
                {
                    "last_affected":  "10.2.2"
                }
            ],
            "source":  "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/mattermost/mattermost

Affected ranges

Type
GIT
Repo
https://github.com/mattermost/mattermost
Events
Introduced
0bc2ddd42375a75ab14e63f038165150d4f07659
Fixed
968fc9abd56d51d32880bca2f7cbcdff8c1af68c
Introduced
9a578312304f06bb423d668fa8f1b975dc1fe79a
Fixed
e246296facafd47a71e4b88c7f47647214f2712c
Introduced
14facfa730253bbf4191d3346c2fd6f282c5b446
Fixed
286f59a75888cafe4adf7759df6fb9df71321c2d
Introduced
7c8c0b7464fa9cd2fbfb97c65d1475b4be2e765c
Fixed
dabbe427c192a73527734aec5449a71acbe03535
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "9.11.0"
        },
        {
            "fixed":  "9.11.8"
        },
        {
            "introduced":  "10.2.0"
        },
        {
            "fixed":  "10.2.3"
        },
        {
            "introduced":  "10.3.0"
        },
        {
            "fixed":  "10.3.3"
        },
        {
            "introduced":  "10.4.0"
        },
        {
            "fixed":  "10.4.2"
        }
    ],
    "source":  "CPE_RANGE"
}

Affected versions

@mattermost/client@10.*
@mattermost/client@10.3.0
@mattermost/client@10.4.0
@mattermost/client@9.*
@mattermost/client@9.11.0
@mattermost/types@10.*
@mattermost/types@10.3.0
@mattermost/types@10.4.0
@mattermost/types@9.*
@mattermost/types@9.11.0
v10.*
v10.2.0
v10.2.0-rc3
v10.2.1
v10.2.1-rc1
v10.2.2
v10.2.2-rc1
v10.3.0
v10.3.1
v10.3.1-rc1
v10.3.2
v10.3.2-rc1
v10.3.2-rc2
v10.4.0
v10.4.0-rc3
v10.4.1
v9.*
v9.11.0
v9.11.0-rc3
v9.11.1
v9.11.1-rc1
v9.11.2
v9.11.2-rc1
v9.11.2-rc2
v9.11.3
v9.11.3-rc1
v9.11.3-rc2
v9.11.4
v9.11.4-rc1
v9.11.5
v9.11.5-rc1
v9.11.6
v9.11.6-rc1
v9.11.6-rc2
v9.11.7
v9.11.7-rc1
v9.11.7-rc2
v9.11.7-rc3

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2025-20051.json"