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Vulnerability details: VCID-tn59-nd2z-aaah
Vulnerability ID VCID-tn59-nd2z-aaah
Aliases CVE-2020-26963
Summary Repeated calls to the history and location interfaces could have been used to hang the browser. This was addressed by introducing rate-limiting to these API calls. This vulnerability affects Firefox < 83.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (0)
There are no known CWE.
System Score Found at
generic_textual Low http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-26963.html
epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00097 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
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epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.00405 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
epss 0.01133 https://api.first.org/data/v1/epss?cve=CVE-2020-26963
generic_textual Low https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26963
cvssv3.1 4.3 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-26963
cvssv3 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-26963
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2020-26963
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-2020-26963
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-26963.html
https://api.first.org/data/v1/epss?cve=CVE-2020-26963
https://bugzilla.mozilla.org/show_bug.cgi?id=1314912
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-26963
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-2020-26963
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-2020-26963 https://nvd.nist.gov/vuln/detail/CVE-2020-26963
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:U/C:N/I:N/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:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26963
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:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26963
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:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2020-26963
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 0.41575
EPSS Score 0.00097
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.