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Vulnerability details: VCID-399u-qwkh-aaaa
Vulnerability ID VCID-399u-qwkh-aaaa
Aliases CVE-2020-15681
Summary When multiple WASM threads had a reference to a module, and were looking up exported functions, one WASM thread could have overwritten another's entry in a shared stub table, resulting in a potentially exploitable crash. This vulnerability affects Firefox < 82.
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 Medium http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15681.html
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
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epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00098 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
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epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
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epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
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epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
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epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
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epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00434 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
epss 0.00925 https://api.first.org/data/v1/epss?cve=CVE-2020-15681
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15681
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2020-15681
cvssv3 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-15681
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2020-15681
archlinux Critical https://security.archlinux.org/AVG-1256
generic_textual Medium https://ubuntu.com/security/notices/USN-4599-1
generic_textual Medium https://ubuntu.com/security/notices/USN-4599-2
generic_textual high https://www.mozilla.org/en-US/security/advisories/mfsa2020-45
generic_textual Medium https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/#CVE-2020-15681
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-15681.html
https://api.first.org/data/v1/epss?cve=CVE-2020-15681
https://bugzilla.mozilla.org/show_bug.cgi?id=1666568
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15681
https://ubuntu.com/security/notices/USN-4599-1
https://ubuntu.com/security/notices/USN-4599-2
https://www.mozilla.org/en-US/security/advisories/mfsa2020-45/#CVE-2020-15681
https://www.mozilla.org/security/advisories/mfsa2020-45/
ASA-202011-1 https://security.archlinux.org/ASA-202011-1
AVG-1256 https://security.archlinux.org/AVG-1256
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-2020-15681 https://nvd.nist.gov/vuln/detail/CVE-2020-15681
mfsa2020-45 https://www.mozilla.org/en-US/security/advisories/mfsa2020-45
USN-4599-1 https://usn.ubuntu.com/4599-1/
USN-4599-2 https://usn.ubuntu.com/4599-2/
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15681
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:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15681
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:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2020-15681
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 0.41724
EPSS Score 0.00098
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.