Cyber Resilience

CVE-2021-22918

MediumPublic PoC

Published: 12 July 2021

Published
12 July 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS Score 0.0072 72.9th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22918 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Nodejs Node.Js. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 27.1% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer…

more

to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().

CWE(s)
CWE-125

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

nodejs
node.js
12.0.0 — 12.22.2 · 14.0.0 — 14.17.2 · 16.0.0 — 16.4.1
siemens
sinec infrastructure network services
≤ 1.0.1.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References