Search for vulnerabilities
Vulnerability details: VCID-8bbq-8p7y-aaas
Vulnerability ID VCID-8bbq-8p7y-aaas
Aliases CVE-2020-6813
Summary 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.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-284 Improper Access Control
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-6813.html
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6813.json
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00085 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00107 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00245 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00245 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
epss 0.00362 https://api.first.org/data/v1/epss?cve=CVE-2020-6813
rhbs low https://bugzilla.redhat.com/show_bug.cgi?id=1829345
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6813
cvssv3.1 5.5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-6813
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-6813
cvssv3.1 5.3 https://nvd.nist.gov/vuln/detail/CVE-2020-6813
archlinux Critical https://security.archlinux.org/AVG-1112
generic_textual Medium https://ubuntu.com/security/notices/USN-4299-1
generic_textual Medium https://usn.ubuntu.com/usn/usn-4299-1
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-08
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6813
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-6813.html
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6813.json
https://api.first.org/data/v1/epss?cve=CVE-2020-6813
https://bugzilla.mozilla.org/show_bug.cgi?id=1605814
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-6813
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-4299-1
https://usn.ubuntu.com/usn/usn-4299-1
https://www.mozilla.org/en-US/security/advisories/mfsa2020-08/#CVE-2020-6813
https://www.mozilla.org/security/advisories/mfsa2020-08/
1829345 https://bugzilla.redhat.com/show_bug.cgi?id=1829345
ASA-202003-8 https://security.archlinux.org/ASA-202003-8
AVG-1112 https://security.archlinux.org/AVG-1112
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
CVE-2020-6813 https://nvd.nist.gov/vuln/detail/CVE-2020-6813
mfsa2020-08 https://www.mozilla.org/en-US/security/advisories/mfsa2020-08
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2020-6813.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:L/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6813
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6813
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-6813
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.37084
EPSS Score 0.00085
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.