CVE-2021-22940 (GCVE-0-2021-22940)
Vulnerability from cvelistv5 – Published: 2021-08-16 00:00 – Updated: 2025-04-30 22:24
VLAI
EPSS
VEX
Summary
Node.js before 16.6.1, 14.17.5, and 12.22.5 is vulnerable to a use after free attack where an attacker might be able to exploit the memory corruption, to change process behavior.
Severity
7.5 (High)
CWE
- CWE-416 - Use After Free (CWE-416)
Assigner
References
9 references
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| NodeJS | Node |
Affected:
4.0 , < 4.*
(semver)
Affected: 5.0 , < 5.* (semver) Affected: 6.0 , < 6.* (semver) Affected: 7.0 , < 7.* (semver) Affected: 8.0 , < 8.* (semver) Affected: 9.0 , < 9.* (semver) Affected: 10.0 , < 10.* (semver) Affected: 11.0 , < 11.* (semver) Affected: 12.0 , < 12.22.5 (semver) Affected: 13.0 , < 13.* (semver) Affected: 14.0 , < 14.17.5 (semver) Affected: 15.0 , < 15.* (semver) Affected: 16.0 , < 16.6.2 (semver) |
guessed |
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Advisory\"]},{\"url\":\"https://nodejs.org/en/blog/vulnerability/aug-2021-security-releases/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Vendor Advisory\"]},{\"url\":\"https://security.gentoo.org/glsa/202401-02\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\"},{\"url\":\"https://security.netapp.com/advisory/ntap-20210923-0001/\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujan2022.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpujul2022.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]},{\"url\":\"https://www.oracle.com/security-alerts/cpuoct2021.html\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\",\"Third Party Advisory\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Important",
"current_release_date": "2026-06-28T12:01:03+00:00",
"cve": "CVE-2021-22940",
"id": "CVE-2021-22940",
"initial_release_date": "2021-08-11T00:00:00+00:00",
"product_status:fixed": "194",
"product_status:known_affected": "1",
"product_status:known_not_affected": "26",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "nodejs: Use-after-free on close http2 on stream canceling",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-22940.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "critical",
"current_release_date": "2026-09-13T23:58:10Z",
"cve": "CVE-2021-22940",
"id": "CVE-2021-22940",
"initial_release_date": "2023-02-15T03:45:45Z",
"product_status:known_not_affected": "145",
"product_status:recommended": "387",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-22940",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-22940.json",
"version": "12"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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