Vulnerability · Published Feb 14, 2022 · Assigned by mitre
CVE-2021-46462
High 7.5
In plain English
A high-severity security flaw in the nginx package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.7%top 22.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | nginx | 1.20.2-r2 | ALPINE-CVE-2021-46462 |
| Alpine:v3.21 | nginx | 1.20.2-r2 | ALPINE-CVE-2021-46462 |
| Alpine:v3.22 | nginx | 1.20.2-r2 | ALPINE-CVE-2021-46462 |
| Alpine:v3.23 | nginx | 1.20.2-r2 | ALPINE-CVE-2021-46462 |
| Alpine:v3.24 | nginx | 1.20.2-r2 | ALPINE-CVE-2021-46462 |
| Alpine:v3.20 | njs | 0.7.3-r0 | ALPINE-CVE-2021-46462 |
| Alpine:v3.21 | njs | 0.7.3-r0 | ALPINE-CVE-2021-46462 |
| Alpine:v3.22 | njs | 0.7.3-r0 | ALPINE-CVE-2021-46462 |
| Alpine:v3.23 | njs | 0.7.3-r0 | ALPINE-CVE-2021-46462 |
| Alpine:v3.24 | njs | 0.7.3-r0 | ALPINE-CVE-2021-46462 |
Affected products (as reported)
References
- https://github.com/nginx/njs/issues/449 x_refsource_MISC
- https://github.com/nginx/njs/commit/39e8fa1b7db1680654527f8fa0e9ee93b334ecba x_refsource_MISC
- https://security.netapp.com/advisory/ntap-20220303-0007/ x_refsource_CONFIRM