CVE-2021-22921 json
Node.js before 16.4.1, 14.17.2, and 12.22.2 is vulnerable to local privilege escalation attacks under certain conditions on Windows platfor…
published 5y ago modified 24d ago also BIT-node-2021-22921 , BIT-node-min-2021-22921 , EUVD-2021-10050
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 7.4%
- EPSS 7.4% chance of exploitation in 30 days, percentile 94%
- public exploits
- 0
- none known
Summary
Node.js before 16.4.1, 14.17.2, and 12.22.2 is vulnerable to local privilege escalation attacks under certain conditions on Windows platforms. More specifically, improper configuration of permissions in the installation directory allows an attacker to perform two different escalation attacks: PATH and DLL hijacking.
Patch / fix
- bitnami node 12.22.2, 14.17.2, 16.4.1
- bitnami node-min 12.22.2, 14.17.2, 16.4.1
- NodeJS Node 12.22.2, 14.17.2, 16.4.1
Is CVE-2021-22921 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerVendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-22-069-09 updated cvss 7.8
Siemens SINEC INS
-
Siemens SINEC INS <V1.0.1.1affected: fixed in V1.0.1.1 support.industry.siemens.com
Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf
Exploit prediction
7.41% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- hackerone.com https://hackerone.com/reports/1211160 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 4.4 | AV:L/AC:M/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | node | >=12.0.0, <12.22.2 >=14.0.0, <14.17.2 >=16.0.0, <16.4.1 |
12.22.2 14.17.2 16.4.1 |
| bitnami | node-min | >=12.0.0, <12.22.2 >=14.0.0, <14.17.2 >=16.0.0, <16.4.1 |
12.22.2 14.17.2 16.4.1 |
Affected products
- NodeJS Node
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
- Technology feeds
References
-
nodejs.org
/en/blog/vulnerability/july-2021-security-releases/
patch, release-notes, vendor-advisory, advisory
-
cert-portal.siemens.com
/productcert/pdf/ssa-389290.pdf
patch, third-party-advisory
-
hackerone.com
/reports/1211160
exploit, third-party-advisory, advisory
-
security.netapp.com
/advisory/ntap-20210805-0003/
third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-22921
web
Sources
- CVE List CVE-2021-22921
- NVD CVE-2021-22921
- OSV BIT-node-2021-22921
- OSV BIT-node-min-2021-22921
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.