CVE-2021-23509
unknown
CVSS v3
—
CVSS v4 NEW
—
VIR risk
—
Description
Prototype Pollution in json-ptr
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| npm | json-ptr | <3.0.0 | 3.0.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-23509
- https://github.com/flitbit/json-ptr/pull/42
- https://github.com/flitbit/json-ptr/commit/5dc458fbad1c382a2e3ca6d62e66ede3d92849ca
- https://github.com/flitbit/json-ptr
- https://github.com/flitbit/json-ptr%23security-vulnerabilities-resolved
- https://snyk.io/vuln/SNYK-JS-JSONPTR-1577291
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.