High, CVSS 7.8npmAmendedPublished
Prototype Pollution in async
CVE-2021-43138 · GHSA-fwr7-v2mv-hh25
- Affected
- npm async >= 3.0.0, < 3.2.2; >= 2.0.0, < 2.6.4
- Fixed in
- 3.2.22.6.4· Vendor fix available
- Issue
- A vulnerability exists in Async through 3.2.1 for 3.x and through 2.6.3 for 2.x (fixed in 3.2.2 and 2.6.4), which could let a malicious user obtain privileges via the mapValues() method.
Recommended action: Upgrade to 3.2.2 or 2.6.4 by release line, then redeploy and verify.A vendor fix does not resolve your finding until you verify it in your own systems.