CVE-2020-7596Public exploitNetwork attack vector

Authenticated command injection via gcov-args

Published Jan 25, 2020 · Updated Aug 4, 2024

Command injection in Codecov NodeJS Uploader before 3.6.2 allows remote authenticated users to execute arbitrary commands via crafted gcov-args. The upload method passes the gcov-args value into Node.js child_process.exec, allowing shell metacharacters to run commands. Reachability requires a client or workflow to supply attacker-controlled options; successful execution can alter files and compromise confidentiality, integrity, and availability.

CVSS severity8.8
High
EPSS probability1.86%
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 Codecov NodeJS Uploader before 3.6.2 allows remote authenticated users to execute arbitrary commands via crafted gcov-args. The upload method passes the gcov-args value into Node.js child_process.exec, allowing shell metacharacters to run commands. Reachability requires a client or workflow to supply attacker-controlled options; successful execution can alter files and compromise confidentiality, integrity, and availability.

The record

CVE
CVE-2020-7596
Published
Jan 25, 2020
Updated
Aug 4, 2024
Vendor
Codecov
Product
Codecov NodeJS Uploader
Classifications
CWE-74, T1059
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Jan 25, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 4, 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=All versions prior to version 3.6.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Codecov · Codecov NodeJS Uploaderversion=All versions prior to version 3.6.2

Published CVSS scores

8.8GitHub Advisory DatabaseCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component
T1059Command and Scripting Interpreter

Public exploit references

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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