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CVE-2023-30583

fs.openAsBlob() can bypass the experimental permission model when using the file system read...

7.5 HighFix available

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.72%Up 0.7 points since Sep 8, 2024
90%50%10%1%

What each source reports

CVE List Score used 7.5

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Record
CVE-2023-30583
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
EUVDEUVD-2023-34964 7.5

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Record
EUVD-2023-34964
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
GitHub AdvisoriesGHSA-9ccp-4gjg-264g 7.5

fs.openAsBlob() can bypass the experimental permission model when using the file system read...

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Record
GHSA-9ccp-4gjg-264g
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
NVD 7.5

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Record
CVE-2023-30583
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-284
Updated
2026-11-02
OSVBELL-CVE-2023-30583 7.5

CVE-2023-30583 does not affect BellSoft software

Record
BELL-CVE-2023-30583
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVBIT-node-2023-30583 No score

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Record
BIT-node-2023-30583
Updated
2026-11-02
OSVBIT-node-min-2023-30583 No score

fs.openAsBlob() can bypass the experimental permission model when using the file system read restriction with the --allow-fs-read flag in Node.js 20. This flaw arises from a missing check in the fs.openAsBlob() API.

Please note that at the time this CVE was issued, the permission model is an experimental feature of Node.js.

Record
BIT-node-min-2023-30583
Updated
2026-11-02
OSVMGASA-2023-0226 No score

Updated nodejs packages fix security vulnerability

Current nodejs 14 branch in Mageia 8 is end of life and there are no more security updates.

This release allows to move to the new nodejs 18 LTS branch and fixes the following CVEs CVE-2023-30581: mainModule.proto Bypass Experimental Policy Mechanism (High) CVE-2023-30585: Privilege escalation via Malicious Registry Key manipulation during Node.js installer repair process (Medium) CVE-2023-30588: Process interuption due to invalid Public Key information in x509 certificates (Medium) CVE-2023-30589: HTTP Request Smuggling via Empty headers separated by CR (Medium) CVE-2023-30590: DiffieHellman does not generate keys after setting a private key (Medium) OpenSSL Security Releases OpenSSL security advisory 28th March. OpenSSL security advisory 20th April. OpenSSL security advisory 30th May c-ares vulnerabilities: GHSA-9g78-jv2r-p7vc GHSA-8r8p-23f3-64c2 GHSA-54xr-f67r-4pc4 GHSA-x6mf-cxr9-8q6v

Record
MGASA-2023-0226
Updated
2026-11-02
OSVopenSUSE-SU-2024:13021-1 No score

corepack20-20.3.1-1.1 on GA media

These are all security issues fixed in the corepack20-20.3.1-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:13021-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
node
Bitnami
20.0.0 up to 20.3.1
20.3.1
node-min
Bitnami
20.0.0 up to 20.3.1
20.3.1
nodejs
Mageia:8
From an advisory covering 10 CVEs
before 18.16.1-1.mga8
18.16.1-1.mga8
nodejs20
openSUSE:Tumbleweed
From an advisory covering 10 CVEs
before 20.3.1-1.1
20.3.1-1.1

History

History
RecordedChangedSources
affected, facts
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-30583 is a high vulnerability (CVSS 7.5) in Node.js, published July 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.72%, the 54th percentile. Fixed in node 20.3.1.

References

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