VDB
CVE-2020-6813
CVE-2020-6813
PUBLISHED
CVSS 5.300000190734863 MEDIUM
When protecting CSS blocks with the nonce feature of Content Security Policy, the @import statement in the CSS block could allow an attacker to inject arbitrary styles, bypassing the intent of the Content Security Policy. This vulnerability affects Firefox < 74.
EPSS 1.22% · 68.4th percentile
Risk Scores
CVSS 3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS Score
1.22%
68.4th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | mozjs52 | 0, 52.3.1-0ubuntu3, 52.3.1-7fakesync1 |
| Ubuntu:16.04:LTS | firefox | *, 50.0.2+build1-0ubuntu0.16.04.1, 52.0+build2-0ubuntu0.16.04.1 |
| Ubuntu:18.04:LTS | mozjs38 | 0, 38.8.0~repack1-0ubuntu3, 38.8.0~repack1-0ubuntu4 |
| Ubuntu:18.04:LTS | firefox | *, 66.0.3+build1-0ubuntu0.18.04.1, 66.0.4+build3-0ubuntu0.18.04.1 |
| Ubuntu:20.04:LTS | firefox | *, *, * |
| Ubuntu:20.04:LTS | mozjs52 | 52.9.1-1build1, 0, 52.9.1-1ubuntu3 |
Timeline
- Mar 11, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 6, 2022 EPSS Score
- Sep 10, 2022 EPSS Score
- Nov 13, 2022 EPSS Score
References
- https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6813 third-party-advisory
- https://ubuntu.com/security/CVE-2020-6813 advisory
- https://www.cve.org/CVERecord?id=CVE-2020-6813 third-party-advisory
- https://ubuntu.com/security/notices/USN-4299-1 advisory