Vulnerability · Published Jun 10, 2021 · Assigned by Mend
CVE-2021-25948
Critical 9.8
In plain English
A critical-severity security flaw in expand-hash. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.3% (higher than 89% of all known vulnerabilities).
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.3%top 11.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | expand-hash | no fix listed | GHSA-x3wr-v4wx-5qpc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | expand-hash | 0.1.0, 0.1.1, 0.2.1, 0.2.2, 1.0.0, 1.0.1 |