Vulnerability · Published Jul 14, 2021 · Assigned by Mend
CVE-2021-25953
Critical 9.8
In plain English
A critical-severity security flaw in putil-merge. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.0% (higher than 87% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.0%top 12.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Prototype pollution vulnerability in 'putil-merge' versions1.0.0 through 3.6.6 allows attacker to cause a denial of service and may lead to remote code execution.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | putil-merge | 3.7.0 | GHSA-9x7m-9hpg-xxmw |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | putil-merge | 3.6.6, 3.6.5, 3.6.4, 3.6.3, 3.6.2, 3.6.1, 3.6.0, 3.5.2, 3.5.1, 3.5.0, 3.4.2, 3.4.1, 3.3.0, 3.2.0, 3.1.4, 3.1.3, 3.1.2, 3.1.1, 3.1.0, 3.0.0, 2.2.0, 2.1.0, 2.0.2, 2.0.1, 2.0.0, 1.2.0, 1.1.5, 1.1.4, 1.1.3, 1.1.2, 1.1.1, 1.1.0, 1.0.2, 1.0.1, 1.0.0 |