CVE-2017-18887
published 2020-06-19CVE-2017-18887: An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
PriorityP423medium5.3CVSS 3.1
AVNACLPRNUINSUCLINAN
EPSS
0.92%
56.6th percentile
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 4.1.2 | 4.1.2 |
| github.com | mattermost_mattermost-server | >= 0 < 4.1.2+incompatible | 4.1.2+incompatible |
| github.com | mattermost_mattermost-server | >= 4.2.0-rc1 < 4.2.1 | 4.2.1 |
| github.com | mattermost_mattermost-server | >= 4.2.0-rc1+incompatible < 4.2.1+incompatible | 4.2.1+incompatible |
| github.com | mattermost_mattermost-server | >= 4.3.0-rc1 < 4.3.0 | 4.3.0 |
| github.com | mattermost_mattermost-server | >= 4.3.0-rc1+incompatible < 4.3.0+incompatible | 4.3.0+incompatible |
| mattermost | mattermost_server | < 4.1.2 | 4.1.2 |
| mattermost | mattermost_server | — | — |
| mattermost | mattermost_server | >= 4.2.0 < 4.2.1 | 4.2.1 |
CVSS provenance
nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:P/I:N/A:N
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OSV
Mattermost Server exposes team creator's e-mail address to other members in github.com/mattermost/mattermost-server
osv·2025-12-15
CVE-2017-18887 Mattermost Server exposes team creator's e-mail address to other members in github.com/mattermost/mattermost-server
Mattermost Server exposes team creator's e-mail address to other members in github.com/mattermost/mattermost-server
Mattermost Server exposes team creator's e-mail address to other members in github.com/mattermost/mattermost-server
GHSA
Mattermost Server exposes team creator's e-mail address to other members
ghsa·2022-05-24
CVE-2017-18887 [MEDIUM] CWE-200 Mattermost Server exposes team creator's e-mail address to other members
Mattermost Server exposes team creator's e-mail address to other members
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
OSV
Mattermost Server exposes team creator's e-mail address to other members
osv·2022-05-24
CVE-2017-18887 [MEDIUM] Mattermost Server exposes team creator's e-mail address to other members
Mattermost Server exposes team creator's e-mail address to other members
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-06-19
Published