CVE-2020-14457: GO-2023-1939 - Mattermost Server Sensitive Data Exposure in github.com/mattermost/mattermost

CVE-2020-14457 · Severity: low · CVSS 3.1 · Published 2024-08-20

Mattermost Server Sensitive Data Exposure in github.com/mattermost/mattermost

Technologies: github.com/mattermost/mattermost (Go), github.com/mattermost/mattermost-server (Go), github.com/mattermost/mattermost-server/v5 (Go). Vendors: Go.

Quick answers

Is CVE-2020-14457 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-14457 being exploited in the wild.
How severe is CVE-2020-14457?
Low severity, with a CVSS score of 3.1, published 20 August 2024.
Which products and versions are affected?
github.com/mattermost/mattermost (Go) SEMVER:introduced=0; github.com/mattermost/mattermost-server (Go) SEMVER:introduced=0; github.com/mattermost/mattermost-server/v5 (Go) SEMVER:introduced=0,fixed=5.20.0.
Is there a fix for CVE-2020-14457?
Yes. github.com/mattermost/mattermost-server/v5 (Go): upgrade to 5.20.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-14457?
Check whether you run github.com/mattermost/mattermost (Go), github.com/mattermost/mattermost-server (Go) or github.com/mattermost/mattermost-server/v5 (Go) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • github.com/mattermost/mattermost-server/v5 (Go): upgrade to 5.20.0 or later
    go get github.com/mattermost/mattermost-server/v5@v5.20.0

Affected products

  • github.com/mattermost/mattermost (Go) SEMVER:introduced=0
  • github.com/mattermost/mattermost-server (Go) SEMVER:introduced=0
  • github.com/mattermost/mattermost-server/v5 (Go) SEMVER:introduced=0,fixed=5.20.0

Identifiers

  • CVE-2020-14457
  • GHSA-j2h2-cvwh-cr64
  • GO-2023-1939

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