CVEvulnerability
CVE-2020-7765
5.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2020-11-16
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.6 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:P/A:N
Description
This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
Affected configurations
• google firebase\/util (< 0.3.4)
References
- https://github.com/firebase/firebase-js-sdk/commit/9cf727fcc3d049551b16ae0698ac33dc2fe45ada Patch, Third Party Advisory
- https://github.com/firebase/firebase-js-sdk/pull/4001 Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324 Exploit, Third Party Advisory
- https://github.com/firebase/firebase-js-sdk/commit/9cf727fcc3d049551b16ae0698ac33dc2fe45ada Patch, Third Party Advisory
- https://github.com/firebase/firebase-js-sdk/pull/4001 Patch, Third Party Advisory
- https://snyk.io/vuln/SNYK-JS-FIREBASEUTIL-1038324 Exploit, Third Party Advisory