8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.153 Low
EPSS
Percentile
95.8%
Chrome Releases reports:
This release contains 14 security fixes, including:
[1212618] Critical CVE-2021-30544: Use after free in BFCache.
Reported by Rong Jian and Guang Gong of 360 Alpha Lab on
2021-05-24
[1201031] High CVE-2021-30545: Use after free in Extensions.
Reported by kkwon with everpall and kkomdal on 2021-04-21
[1206911] High CVE-2021-30546: Use after free in Autofill.
Reported by Abdulrahman Alqabandi, Microsoft Browser Vulnerability
Research on 2021-05-08
[1210414] High CVE-2021-30547: Out of bounds write in ANGLE.
Reported by Seong-Hwan Park (SeHwa) of SecunologyLab on
2021-05-18
[1210487] High CVE-2021-30548: Use after free in Loader.
Reported by Yangkang(@dnpushme) & Wanglu of Qihoo360 Qex Team
on 2021-05-18
[1212498] High CVE-2021-30549: Use after free in Spell check.
Reported by David Erceg on 2021-05-23
[1212500] High CVE-2021-30550: Use after free in Accessibility.
Reported by David Erceg on 2021-05-23
[1216437] High CVE-2021-30551: Type Confusion in V8. Reported by
Sergei Glazunov of Google Project Zero on 2021-06-04
[1200679] Medium CVE-2021-30552: Use after free in Extensions.
Reported by David Erceg on 2021-04-20
[1209769] Medium CVE-2021-30553: Use after free in Network
service. Reported by Anonymous on 2021-05-17
Google is aware that an exploit for CVE-2021-30551 exists in the
wild.
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.153 Low
EPSS
Percentile
95.8%