Vulnerability · Published Mar 16, 2021 · Assigned by Mend
CVE-2021-25916
Critical 9.8
In plain English
A critical-severity prototype pollution in patchmerge. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 3.5% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)3.5%top 10.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Prototype pollution vulnerability in 'patchmerge' versions 1.0.0 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 | patchmerge | 1.0.2 | GHSA-84g3-cv89-m9gm |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | patchmerge | 1.0.0, 1.0.1 |
Weakness: CWE-1321 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H