02 Records
FEED: ACQUIRING
01 RecordSTATE: PUBLISHED
02 Description
CNA: MattermostGuest accounts can list all public channels
03 Exploitation and scoring
SRC: CISA, FIRST, NVD, RED HAT- 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.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.- EPSS probability
- 0.57% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Ranks above 44.8% of scored records. A rank, not a probability.
- NVD base score
- 4.3 (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:L/I:N/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.
SCHEMA: 5.1
- Published
- 2022-07-14 17:25Z4 YR AGO
- Last updated
- 2024-12-06 23:08Z1 YR AGO
- Reserved
- 2022-07-14
- Assigning CNA
- Mattermost
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 4.3)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-200Exposure of Sensitive Information to an Unauthorized ActorClass
- CWE-863Incorrect AuthorizationClass
- Data version
- 5.1
- Document digest
- 3d2fec962968ada301d553745996d5a03a07a4ecf52c4c625eb8c63056b30d00
05 Affected products
PAIRS: 1VendorProductVersionsPlatforms
MattermostMattermost<= 6.3.8, 6.4.x, 6.7.x 6.7.0, 6.5.x to 6.5.1, 6.6.x to 6.6.1— SRC: CNA
Update Mattermost to version v7.0.0, 6.7.1, 6.6.2, 6.5.2, 6.3.9 or higher.