CRITICAL
chromium-browser: Inappropriate implementation in external protocol handlers
Published Jul 22, 2020
9.6
CRITICALCVSS 3.1
EPSS 1.63%
Description
Inappropriate implementation in external protocol handlers in Google Chrome prior to 84.0.4147.89 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<84.0.4147.89
- Version
Configuration 2
OR
- 15.0
- 15.0
- 10.0
- 31
- 32
- 15.1
- 15.2
No data.
Red Hat Enterprise Linux 6 Supplementary
chromium-browser-0:84.0.4147.105-2.el6_10
Fixed · RHSA-2020:3377
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 Supplementary | chromium-browser-0:84.0.4147.105-2.el6_10 | Fixed | RHSA-2020:3377 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.6 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.63% 0.01632
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.01632
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (18 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 1.63% (0.01632) | 75.42th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.63% (0.01632) | 73.07th | v5 (v2026.06.15) |
| Mar 30, 2025 | 2.07% (0.02073) | 82.37th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.13% (0.04127) | 80.72th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.43% (0.00429) | 74.70th | v3 (v2023.03.01) |
| Jun 28, 2024 | 0.43% (0.00429) | 74.62th | v3 (v2023.03.01) |
| May 26, 2024 | 0.38% (0.00376) | 72.74th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.43% (0.00428) | 73.71th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.43% (0.00428) | 71.50th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.55% (0.00547) | 74.54th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.49% (0.00489) | 72.38th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.96% (0.01955) | 78.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.96% (0.01955) | 76.59th | v2 (v2022.01.01) |
| Feb 4, 2022 | 18.56% (0.18557) | 93.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 5.12% (0.05122) | 78.67th | v1 |
| Jan 6, 2022 | 5.12% (0.05122) | 78.46th | v1 |
| Jan 5, 2022 | 1.19% (0.01189) | 68.25th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.19% (0.01189) | 0.00th | v1 |
Weaknesses (0)
No CWE recorded.
References (14)
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00069.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00007.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00018.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00041.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2020-6522 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1857352 Issue Tracking
- https://chromereleases.googleblog.com/2020/07/stable-channel-update-for-desktop.html x_refsource_MISCRelease NotesVendor Advisory
- https://crbug.com/1052093 x_refsource_MISCPermissions RequiredVendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MTRPPTKZ2RKVH2XGQCWNFZ7FOGQ5LLCA/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYIDWCHG24ZTFD4P42D4A4WWPPA74BCG/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-6522
- https://security.gentoo.org/glsa/202007-08 vendor-advisoryx_refsource_GENTOOThird Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2020-6522
- https://www.debian.org/security/2021/dsa-4824 vendor-advisoryx_refsource_DEBIANThird Party Advisory
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Chrome
Published Jul 22, 2020
Updated Aug 4, 2024
Reserved Jan 8, 2020
Link CVE-2020-6522
CISA Vulnrichment
Updated n/a