CVE-2020-7651Network attack vector

Partial file disclosure via unfiltered Accept header

Published May 29, 2020 · Updated Aug 4, 2024

Arbitrary file read in Snyk Broker before 4.79.0 allows remote authenticated users to disclose file fragments through GitHub commit history. The Broker allowlist accepted GitHub Commits API requests without constraining the Accept header, enabling patch media types to return portions of repository files. Exploitation requires access to Snyk's internal network and yields partial disclosure without reported modification or service interruption.

CVSS severity4.9
Medium
EPSS probability1.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Arbitrary file read in Snyk Broker before 4.79.0 allows remote authenticated users to disclose file fragments through GitHub commit history. The Broker allowlist accepted GitHub Commits API requests without constraining the Accept header, enabling patch media types to return portions of repository files. Exploitation requires access to Snyk's internal network and yields partial disclosure without reported modification or service interruption.

The record

CVE
CVE-2020-7651
Published
May 29, 2020
Updated
Aug 4, 2024
Vendor
Snyk
Product
Snyk Broker
Classifications
CWE-22
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. May 29, 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 before 4.79.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Snyk · Snyk Brokerversion=all versions before 4.79.0

Published CVSS scores

4.9SnykCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
4.3NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
4.0NVDAV:N/AC:L/Au:S/C:P/I:N/A:N

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 exploitUnconfirmed

Weakness, pattern, technique

CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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