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CVE-2023-3591

Lack of previous password reset tokens on new token creation

Medium4.8EPSS 0.34%
Published
Updated
Reserved
Assigned by
Mattermost

Description

Mattermost fails to invalidate previously generated password reset tokens when a new reset token was created.

Scores

CVSS scores of CVE-2023-3591, by who scored it
Scored byCVSSScoreVector
MattermostCNA (assigner)3.1Medium4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
NVDNVD · Modified3.1High8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS (exploitation in 30 days)
0.34% · top 73% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.8.

Weakness

Affected products

  • Mattermost · Mattermost

    • affected ≤ 7.8.6
    • affected ≤ 7.9.4
    • affected ≤ 7.10.2
    • unaffected 7.8.7
    • unaffected 7.9.5
    • unaffected 7.10.3

What to do

Solution: Update Mattermost to versions v7.8.7, v7.9.5, v7.10.3 or higher.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2023-3591 badge
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Record last updated .