High severity · published Feb 14, 2022
CVE-2021-46462
njs through 0.7.1, used in NGINX, was discovered to contain a segmentation violation via njs_object_set_prototype in /src/njs_object.c
7.5
CVSS
1.7%
EPSS
No
On KEV
Description
njs through 0.7.1, used in NGINX, was discovered to contain a segmentation violation via njs_object_set_prototype in /src/njs_object.c.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NJ
Njs · F5
through 0.7.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-46462
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-46462
Patch
https://github.com/nginx/njs/commit/39e8fa1b7db1680654527f8fa0e9ee93b334ecba
Exploit
https://github.com/nginx/njs/issues/449
Third Party Advisory
https://security.netapp.com/advisory/ntap-20220303-0007/
More from Njs
9.8
CVE-2026-8711
NGINX JavaScript vulnerability
9.8
CVE-2020-19695
Buffer Overflow found in Nginx NJS allows a remote attacker to execute arbitrary code via the njs_object_property parameter of the njs/njs_vm.c function
9.8
CVE-2020-19692
Buffer Overflow vulnerabilty found in Nginx NJS v.0feca92 allows a remote attacker to execute arbitrary code via the njs_module_read in the njs_module.c file
9.8
CVE-2022-43286
Nginx NJS v0.7.2 was discovered to contain a heap-use-after-free bug caused by illegal memory copy in the function njs_json_parse_iterator_call at njs_json.c
9.8
CVE-2022-29379
Nginx NJS v0.7.3 was discovered to contain a stack overflow in the function njs_default_module_loader at /src/njs/src/njs_module.c