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Vulnerability details: VCID-42tj-8c7b-aaas
Vulnerability ID VCID-42tj-8c7b-aaas
Aliases CVE-2020-26962
Summary Cross-origin iframes that contained a login form could have been recognized by the login autofill service, and populated. This could have been used in clickjacking attacks, as well as be read across partitions in dynamic first party isolation. This vulnerability affects Firefox < 83.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-1021 Improper Restriction of Rendered UI Layers or Frames
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-26962.html
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
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epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
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epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00084 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
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epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
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epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
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epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
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epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00219 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
epss 0.00547 https://api.first.org/data/v1/epss?cve=CVE-2020-26962
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26962
cvssv3.1 6.1 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-26962
cvssv3 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-26962
cvssv3.1 6.1 https://nvd.nist.gov/vuln/detail/CVE-2020-26962
archlinux Critical https://security.archlinux.org/AVG-1279
generic_textual Medium https://ubuntu.com/security/notices/USN-4637-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4637-2
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-50
generic_textual Low https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26962
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-26962.html
https://api.first.org/data/v1/epss?cve=CVE-2020-26962
https://bugzilla.mozilla.org/show_bug.cgi?id=610997
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26962
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://ubuntu.com/security/notices/USN-4637-1
https://ubuntu.com/security/notices/USN-4637-2
https://www.mozilla.org/en-US/security/advisories/mfsa2020-50/#CVE-2020-26962
https://www.mozilla.org/security/advisories/mfsa2020-50/
ASA-202011-12 https://security.archlinux.org/ASA-202011-12
AVG-1279 https://security.archlinux.org/AVG-1279
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-2020-26962 https://nvd.nist.gov/vuln/detail/CVE-2020-26962
mfsa2020-50 https://www.mozilla.org/en-US/security/advisories/mfsa2020-50
USN-4637-1 https://usn.ubuntu.com/4637-1/
USN-4637-2 https://usn.ubuntu.com/4637-2/
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N 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:M/Au:N/C:N/I:P/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26962
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:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26962
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:R/S:C/C:L/I:L/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26962
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 0.36991
EPSS Score 0.00084
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.