CVE-2021-21271: GO-2022-1052 - Uncontrolled resource consumption during consensus in github.com/tendermint/tendermint

CVE-2021-21271 · Severity: low · CVSS 3.1 · Published 2022-10-14

Uncontrolled resource consumption during consensus in github.com/tendermint/tendermint

Technologies: github.com/tendermint/tendermint (Go). Vendors: Go.

Quick answers

Is CVE-2021-21271 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2021-21271 being exploited in the wild.
How severe is CVE-2021-21271?
Low severity, with a CVSS score of 3.1, published 14 October 2022.
Which products and versions are affected?
github.com/tendermint/tendermint (Go) SEMVER:introduced=0.34.0,fixed=0.34.3.
Is there a fix for CVE-2021-21271?
Yes. github.com/tendermint/tendermint (Go): upgrade to 0.34.3 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2021-21271?
Check whether you run github.com/tendermint/tendermint (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/tendermint/tendermint (Go): upgrade to 0.34.3 or later
    go get github.com/tendermint/tendermint@v0.34.3

Affected products

  • github.com/tendermint/tendermint (Go) SEMVER:introduced=0.34.0,fixed=0.34.3

Identifiers

  • CVE-2021-21271
  • GHSA-p658-8693-mhvg
  • GO-2022-1052

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