CVE-2021-22884 is a DNS rebinding vulnerability affecting Node.js versions prior to 10.24.0, 12.21.0, 14.16.0, and 15.10.0, as well as products from vendors like fedoraproject, netapp, oracle, and siemens. The flaw arises because the "localhost6" entry in the DNS whitelist can be resolved over the network if not present in /etc/hosts, allowing attackers to bypass DNS rebinding protection. This vulnerability carries a CVSS score of 7.5 (HIGH), indicating a high potential for impact (confidentiality, integrity, and availability) through a network-based attack requiring high attack complexity and user interaction. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 10.0.0, < 10.24.0CPE matchmatch criteria | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* | ||
>= 12.0.0, < 12.21.0CPE matchmatch criteria | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* | ||
>= 14.0.0, < 14.16.0CPE matchmatch criteria | cpe:2.3:a:nodejs:node.js:*:*:*:*:lts:*:*:* | ||
>= 15.0.0, < 15.10.0CPE matchmatch criteria | cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:* | ||
32CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
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