CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2021-23543
Critical (9.8) in agoric realms-shim. EPSS 1.8% chance of exploitation in the next 30 days.
All versions of package realms-shim are vulnerable to Sandbox Bypass via a Prototype Pollution attack vector.
Severity
- EPSS
- 1.8% chance of exploitation in the next 30 days; higher than 78% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- agoric:realms-shim
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-q4j7-v27r-fgcx | npm | realms-shim | <=1.2.2 | no fix published |