CVE-2020-36632
CVE-2020-36632 is a medium-severity vulnerability in Flat Project Flat with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-1321.
Key facts
- Severity: Medium (CVSS 3.x base score 6.3)
- EPSS exploit prediction: 1% (62nd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-1321
- Affected product: Flat Project Flat
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2020-36632?
- 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.
- How severe is CVE-2020-36632?
- CVE-2020-36632 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2020-36632 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2020-36632?
- CVE-2020-36632 affects Flat Project Flat. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2020-36632?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2020-36632 published?
- CVE-2020-36632 was published on 2022-12-25 and last updated on 2026-06-17.
References
- https://github.com/hughsk/flat/commit/20ef0ef55dfa028caddaedbcb33efbdb04d18e13
- https://github.com/hughsk/flat/issues/105
- https://github.com/hughsk/flat/pull/106
- https://github.com/hughsk/flat/releases/tag/5.0.1
- https://vuldb.com/?ctiid.216777
- https://vuldb.com/?id.216777
Affected products (1)
- cpe:2.3:a:flat_project:flat:*:*:*:*:*:*:*:*
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