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Vulnerability details: VCID-a861-3b9g-aaap
Vulnerability ID VCID-a861-3b9g-aaap
Aliases CVE-2021-30521
Summary Heap buffer overflow in Autofill in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.
Status Published
Exploitability 0.5
Weighted Severity 8.0
Risk 4.0
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-787 Out-of-bounds Write
System Score Found at
generic_textual Medium http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-30521.html
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00551 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00621 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00621 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
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epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.00728 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
epss 0.02068 https://api.first.org/data/v1/epss?cve=CVE-2021-30521
generic_textual Medium https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
generic_textual Medium https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30521
cvssv2 6.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30521
cvssv3 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30521
cvssv3.1 8.8 https://nvd.nist.gov/vuln/detail/CVE-2021-30521
archlinux High https://security.archlinux.org/AVG-2044
Reference id Reference type URL
http://people.canonical.com/~ubuntu-security/cve/2021/CVE-2021-30521.html
https://api.first.org/data/v1/epss?cve=CVE-2021-30521
https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html
https://crbug.com/1208721
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30521
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
https://security.gentoo.org/glsa/202107-06
990079 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=990079
AVG-2044 https://security.archlinux.org/AVG-2044
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
CVE-2021-30521 https://nvd.nist.gov/vuln/detail/CVE-2021-30521
No exploits are available.
Vector: AV:N/AC:M/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30521
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30521
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:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2021-30521
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 0.77959
EPSS Score 0.00551
Published At Nov. 1, 2024, midnight
Date Actor Action Source VulnerableCode Version
There are no relevant records.