01 Record
CVE-2023-3613
Guest accounts invited and added to channels by Welcomebot plugin
LowPUBLISHEDCNA: Mattermost
CNA base score3.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
02 Description
Guest accounts invited and added to channels by Welcomebot plugin
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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.29% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 21.7% of scored records. A rank, not a probability.
- NVD base score
- 3.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
- NVD analysis status
- Modified. 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
- 2023-07-17 15:31Z3 YR AGO
- Last updated
- 2024-10-21 19:39Z2 YR AGO
- Reserved
- 2023-07-11
- Assigning CNA
- Mattermost
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-863Incorrect AuthorizationClass
- Data version
- 5.1
- Document digest
- 40d9acf6b176b9e09e0ce48b103b74808d7d423317130397191ba7eefcbdb176
05 Affected products
VendorProductVersionsPlatforms
06 References
- mattermost.comhttps://mattermost.com/security-updates
07 Remediation
Update Mattermost to versions 7.8.6, 7.10.3 or higher. Alternatively, update the WelcomeBot plugin to version 1.3.0 or higher.