VulnerabilityModified
CVE-2021-23470
An attacker can supply a malicious value by adjusting the value to include the constructor property.
CRITICAL 9.8EPSS 1.27%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.27%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
This affects the package putil-merge before 3.8.0. The merge() function does not check the values passed into the argument. An attacker can supply a malicious value by adjusting the value to include the constructor property. Note: This vulnerability derives from an incomplete fix in https://security.snyk.io/vuln/SNYK-JS-PUTILMERGE-1317077
- 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
- 1.27% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-1321
- Affected
- putil-merge project/putil-merge
- Source
- report@snyk.io
References
- https://github.com/panates/putil-merge/commit/476d00078dfb2827d7c9ee0f2392c81b864f7bc5Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PUTILMERGE-2391487Exploit, Vendor Advisory
- https://github.com/panates/putil-merge/commit/476d00078dfb2827d7c9ee0f2392c81b864f7bc5Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-PUTILMERGE-2391487Exploit, Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.