CVE-2021-25948

Prototype pollution vulnerability in 'expand-hash' versions 0.1.0 through 1.0.1 allows an attacker to cause a denial of service and may lead to remote code execution.

Affected

expand-hash

CVSS v3.1 NVD

9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

3.30% chance of exploitation in the next 30 days, 88th percentile

Published

2021-06-10

Updated

2024-08-03

Proof-of-concept exploits (1)

• https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25948

Security advisories

• doowb/expand-hash/blob/556913f6c2f05848110b5b8261cfc78e5ce3dc77/index.js#L19
• advisories/GHSA-x3wr-v4wx-5qpc

References

• CVE Record
• NVD entry