Cyber Resilience

CVE-2021-22884

HighPublic PoC

Published: 03 March 2021

Published
03 March 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score 0.0027 50.7th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22884 is a high-severity Reliance on Reverse DNS Resolution for a Security-Critical Action (CWE-350) vulnerability in Nodejs Node.Js. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 49.3% 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 10.24.0, 12.21.0, 14.16.0, and 15.10.0 is vulnerable to DNS rebinding attacks as the whitelist includes “localhost6”. When “localhost6” is not present in /etc/hosts, it is just an ordinary domain that is resolved via DNS, i.e., over network. If…

more

the attacker controls the victim's DNS server or can spoof its responses, the DNS rebinding protection can be bypassed by using the “localhost6” domain. As long as the attacker uses the “localhost6” domain, they can still apply the attack described in CVE-2018-7160.

CWE(s)

Related Threats

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

Affected Assets

nodejs
node.js
10.0.0 — 10.24.0 · 12.0.0 — 12.21.0 · 14.0.0 — 14.16.0
fedoraproject
fedora
32, 33, 34
netapp
active iq unified manager
all versions
netapp
e-series performance analyzer
all versions
netapp
oncommand insight
all versions
netapp
oncommand workflow automation
all versions
netapp
snapcenter
all versions
oracle
graalvm
19.3.5, 20.3.1.2, 21.0.0.2
oracle
jd edwards enterpriseone tools
≤ 9.2.6.0
oracle
mysql cluster
≤ 8.0.25
+3 more product configuration(s) — see NVD for full list

Mitigating Controls

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

References