CVE-2022-21231: All versions of package deep-get-set are vulnerable to Prototype Pollution via the 'deep' function
CVE-2022-21231 is a high-severity flaw (CVSS 7.5) affecting deep-get-set. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
All versions of package deep-get-set are vulnerable to Prototype Pollution via the 'deep' function. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-7715](https://security.snyk.io/vuln/SNYK-JS-DEEPGETSET-598666)
Why this priority
- High severity
- Public exploit reference
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.4% (top 27%) |
| CISA exploited list | No |
| Weakness | CWE-1321 |
| Published | 2022-06-24 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2022-21231?
deep-get-set: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-21231 being exploited?
CVE-2022-21231 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2022-21231 affect?
CVE-2022-21231 affects deep-get-set. Severity is high (CVSS 7.5). All versions of package deep-get-set are vulnerable to Prototype Pollution via the 'deep' function. **Note:** This vulnerability derives from an incomplete fix of [CVE-2020-7715](https://security.snyk.io/vuln/SNYK-JS-DEEPGETSET-598666)
How urgent is CVE-2022-21231?
Priority 54/100. High severity; Public exploit reference; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2020-7715 CRITICAL 9.8 MITIGATE All versions of package deep-get-set are vulnerable to Prototype Pollution via the main function.