CVE-2020-28490: The package async-git before 1.13.2 are vulnerable to Command Injection via shell meta-characters (back-ticks)

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CRITICAL 9.1REMOTEUPGRADE

CVE-2020-28490 is a critical-severity flaw (CVSS 9.1) affecting async-git. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The package async-git before 1.13.2 are vulnerable to Command Injection via shell meta-characters (back-ticks). For example: git.reset('atouch HACKEDb')

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.1 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	2.5% (top 15%)
CISA exploited list	No
Weakness	CWE-78
Published	2021-02-18
Last modified	2026-06-17

Publisher (CNA): Snyk · Vendor: async-git project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-02-18 15:15 UTCPublished CVE record published
2026-06-17 03:10 UTCUpdated Record last modified

async-git project async-git UPGRADE

Affected: < 1.13.2

Fixed in: 1.13.2

Safe to downgrade to: no unaffected older release

1. Check installed version

npm ls async-git

2. UPGRADE to 1.13.2

npm install async-git@">=1.13.2"

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-28490?

async-git: upgrade to 1.13.2. Exact commands for each OS are on this page.

Is CVE-2020-28490 being exploited?

CVE-2020-28490 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-28490 affect?

CVE-2020-28490 affects async-git. Severity is critical (CVSS 9.1). The package async-git before 1.13.2 are vulnerable to Command Injection via shell meta-characters (back-ticks). For example: git.reset('atouch HACKEDb')

How urgent is CVE-2020-28490?

Priority 58/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Git vulnerabilities

Related CVEs

CVE-2021-3190 CRITICAL 9.8 UPGRADE The async-git package before 1.13.2 for Node.js allows OS Command Injection via shell metacharacters, as demon

References

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