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cveMattermostCVE-2024-39836
HistoryAug 22, 2024 - 7:15 a.m.

CVE-2024-39836

2024-08-2207:15:03
CWE-693
Mattermost
web.nvd.nist.gov
28
mattermost
version 9.9.x
version 9.5.x
version 9.10.x
version 9.8.x
remote users
synthetic users
sessions
password resets
munged email addresses
shared channels

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

17.7%

Mattermost versions 9.9.x <= 9.9.1, 9.5.x <= 9.5.7, 9.10.x <= 9.10.0 and 9.8.x <= 9.8.2 fail to ensure that remote/synthetic users cannot create sessions or reset passwords, which allowsΒ the munged email addresses, created by shared channels, to be used to receive email notifications and to reset passwords, whenΒ they are valid, functional emails.

Affected configurations

Nvd
Node
mattermostmattermostRange9.5.0–9.5.8
OR
mattermostmattermostRange9.8.0–9.8.3
OR
mattermostmattermostRange9.9.0–9.9.2
OR
mattermostmattermostRange9.10.0–9.10.1
VendorProductVersionCPE
mattermostmattermost*cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Mattermost",
    "vendor": "Mattermost",
    "versions": [
      {
        "lessThanOrEqual": "9.9.1",
        "status": "affected",
        "version": "9.9.0",
        "versionType": "semver"
      },
      {
        "lessThanOrEqual": "9.5.7",
        "status": "affected",
        "version": "9.5.0",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "9.10.0"
      },
      {
        "lessThanOrEqual": "9.8.2",
        "status": "affected",
        "version": "9.8.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "9.11.0"
      },
      {
        "status": "unaffected",
        "version": "9.9.2"
      },
      {
        "status": "unaffected",
        "version": "9.5.8"
      },
      {
        "status": "unaffected",
        "version": "9.10.1"
      },
      {
        "status": "unaffected",
        "version": "9.8.3"
      }
    ]
  }
]

CVSS3

6.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

AI Score

5.2

Confidence

High

EPSS

0.001

Percentile

17.7%

Related for CVE-2024-39836