01 Record
CVE-2024-2450
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication,
HighPUBLISHEDCNA: Mattermost
CNA base score8.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
02 Description
Mattermost versions 8.1.x before 8.1.10, 9.2.x before 9.2.6, 9.3.x before 9.3.2, and 9.4.x before 9.4.3 fail to correctly verify account ownership when switching from email to SAML authentication,
03 Exploitation and scoring
- Exploitation
- Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
- SSVC decision
- ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
- AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
- Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
- EPSS probability
- 0.59% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 48.2% of scored records. A rank, not a probability.
- NVD base score
- 8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2024-03-15 09:12Z2 YR AGO
- Last updated
- 2024-08-02 20:35Z2 YR AGO
- Reserved
- 2024-03-14
- Assigning CNA
- Mattermost
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.8)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- e91493475133c8303ea3cfd99bc28a820a9cf6ff1365ffba47db69a0c0aa28fe
05 Affected products
VendorProductVersionsPlatforms
MattermostMattermost9.5.0, 9.4.0 to 9.4.2, 9.3.0 to 9.3.1, 9.2.0 to 9.2.5, 8.1.0 to 8.1.9, 9.5.0 to < 9.6.0, 9.4.0 to < 9.4.3, 9.3.0 to < 9.3.2, 9.2.0 to < 9.2.6, 8.1.0 to < 8.1.10—
06 References
- mattermost.comhttps://mattermost.com/security-updates
07 Remediation
Update Mattermost Server to versions 9.6, 9.4.3, 9.5.1, 9.3.2, 9.2.6, 8.1.10 or higher.