CVE-2021-23558
The package bmoor before 0.10.1 are vulnerable to Prototype Pollution due to missing sanitization in set function. **Note:** This vulnerability derives from an incomplete fix in [CVE-2020-7736](https://security.snyk.io/vuln/SNYK-JS-BMOOR-598664)
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.63%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The package bmoor before 0.10.1 are vulnerable to Prototype Pollution due to missing sanitization in set function. **Note:** This vulnerability derives from an incomplete fix in [CVE-2020-7736](https://security.snyk.io/vuln/SNYK-JS-BMOOR-598664)
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.63% probability · 75th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1321
- Affected
- bmoor project/bmoor
- Source
- report@snyk.io
References
- https://github.com/b-heilman/bmoor/commit/29b0162cc1dc1791fc060891f568b0ae29bc542bPatch, Third Party Advisory
- https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-BMOOR-2342622Exploit, Third Party Advisory
- https://github.com/b-heilman/bmoor/commit/29b0162cc1dc1791fc060891f568b0ae29bc542bPatch, Third Party Advisory
- https://snyk.io/blog/remediate-javascript-type-confusion-bypassed-input-validation/Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-BMOOR-2342622Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.