CVSS 3.1
9.8 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HCVE-2020-36632
Critical (9.8) in flat project flat. EPSS 1.2% chance of exploitation in the next 30 days. Fixed in flat 1.6.2, 2.0.2, 3.0.1.
A vulnerability, which was classified as critical, was found in hughsk flat up to 5.0.0. This affects the function unflatten of the file index.js. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). It is possible to initiate the attack remotely. Upgrading to version 5.0.1 is able to address this issue. The name of the patch is 20ef0ef55dfa028caddaedbcb33efbdb04d18e13. It is recommended to upgrade the affected component. The identifier VDB-216777 was assigned to this vulnerability.
Severity
- EPSS
- 1.2% chance of exploitation in the next 30 days; higher than 68% of CVEs (scores of 2026-10-31)
- CWE
- CWE-1321
- Published
- Modified
- Record from
- the NVD, synced
Affected
- flat_project:flat
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-2j2x-2gpw-g8fm | npm | flat | <1.6.2 | 1.6.2 |
| GHSA-2j2x-2gpw-g8fm | npm | flat | >=2.0.0 <2.0.2 | 2.0.2 |
| GHSA-2j2x-2gpw-g8fm | npm | flat | >=3.0.0 <3.0.1 | 3.0.1 |
| GHSA-2j2x-2gpw-g8fm | npm | flat | >=4.0.0 <4.0.2 | 4.0.2 |
| GHSA-2j2x-2gpw-g8fm | npm | flat | >=5.0.0 <5.0.1 | 5.0.1 |