CVE-2020-28422

Arbitrary command execution via unsanitized buildCommand input

Published Jul 25, 2022 · Updated Sep 16, 2024

Command injection in the exports function in nisaacson git-archive 0.1.4 and earlier allows local users to execute arbitrary commands. The exports path passes user-controlled options to buildCommand, which assembles a shell command without neutralizing command separators before execution. Local access and influence over archive arguments are required; injected commands run with the invoking Node.js application's privileges.

CVSS severity7.8
High
EPSS probability0.45%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Command injection in the exports function in nisaacson git-archive 0.1.4 and earlier allows local users to execute arbitrary commands. The exports path passes user-controlled options to buildCommand, which assembles a shell command without neutralizing command separators before execution. Local access and influence over archive arguments are required; injected commands run with the invoking Node.js application's privileges.

The record

CVE
CVE-2020-28422
Published
Jul 25, 2022
Updated
Sep 16, 2024
Vendor
nisaacson
Product
git-archive
Classifications
CWE-77, CAPEC-248, T1059
Attack vector
local
Privileges
authenticated

Timeline

How it unfolded

  1. Jul 25, 2022CVE publishedPublication date reported by the CVE source.
  2. Sep 16, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <unspecified

What conditions does exploitation require?

Attack vectorlocal
Required privilegesauthenticated

What is affected?

nisaacson · git-archiveversion=0 <unspecified

Published CVSS scores

6.2SnykCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L/RL:T
7.8NVDCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
6.4SnykCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:L

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-77Improper Neutralization of Special Elements used in a Command ('Command Injection')
CAPEC-248Command Injection
T1059Command and Scripting Interpreter

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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