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CVE-2020-15966Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install…
- 4.3MediumCVSS base score
- 1.3%Exploitation in 30 daysEPSS · top 28% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Insufficient policy enforcement in extensions in Google Chrome prior to 85.0.4183.121 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive information via a crafted Chrome Extension.
Timeline
ID reserved
By Chrome
- 56 days later
· 56 days later
Published
- 4 years later
· 4 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium4.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.3% · top 28% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
References
References12
- https://chromereleases.googleblog.com/2020/09/stable-channel-update-for-desktop_21.html (opens in a new tab)x_refsource_MISCx_transferred
- https://crbug.com/1113565 (opens in a new tab)x_refsource_MISCx_transferred
- openSUSE-SU-2020:1527 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:1542 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2020:1550 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- GLSA-202009-13 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- FEDORA-2020-2d994b986d (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-aea86f913e (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2020-214865ce21 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2020:1713 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-4824 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-202101-30 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2020-7937 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2020-15966)Record last updated .