MEDIUM
chromium-browser: Insufficient policy enforcement in AppCache
Published Feb 11, 2020
6.5
MEDIUMCVSS 3.1
EPSS 1.99%
Description
Insufficient policy enforcement in AppCache in Google Chrome prior to 80.0.3987.87 allowed a remote attacker to leak cross-origin data via a crafted HTML page.
Affected products
-
- Version unspecifiedStatusaffectedConstraints<80.0.3987.87
- Version
Configuration 2
- 15.0
No data.
Red Hat Enterprise Linux 6 Supplementary
chromium-browser-0:80.0.3987.87-1.el6_10
Fixed · RHSA-2020:0514
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 Supplementary | chromium-browser-0:80.0.3987.87-1.el6_10 | Fixed | RHSA-2020:0514 |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
6.5 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
6.5 MEDIUM Red Hat
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.99% 0.01989
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 4, 2026.
EPSS probability 0.01989
Score over time
2021-2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (16 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 1.99% (0.01989) | 79.92th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.99% (0.01989) | 79.73th | v5 (v2026.06.15) |
| Jul 20, 2024 | 1.00% (0.01003) | 83.82th | v3 (v2023.03.01) |
| Jun 6, 2024 | 1.00% (0.01003) | 83.67th | v3 (v2023.03.01) |
| Jan 18, 2024 | 1.02% (0.01016) | 82.12th | v3 (v2023.03.01) |
| Jan 2, 2024 | 0.89% (0.00891) | 80.83th | v3 (v2023.03.01) |
| Dec 16, 2023 | 0.66% (0.00655) | 77.22th | v3 (v2023.03.01) |
| Dec 1, 2023 | 0.75% (0.00746) | 78.73th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.63% (0.00625) | 75.66th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.78% (0.01776) | 76.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.78% (0.01776) | 74.78th | v2 (v2022.01.01) |
| Feb 4, 2022 | 18.56% (0.18557) | 93.62th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.67% (0.04675) | 76.92th | v1 |
| Jan 6, 2022 | 4.67% (0.04675) | 76.70th | v1 |
| Jan 5, 2022 | 1.08% (0.01081) | 66.27th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.08% (0.01081) | 0.00th | v1 |
Weaknesses (1)
References (13)
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00015.html vendor-advisoryx_refsource_SUSEMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-02/msg00025.html vendor-advisoryx_refsource_SUSE
- https://access.redhat.com/errata/RHSA-2020:0514 vendor-advisoryx_refsource_REDHAT
- https://access.redhat.com/security/cve/CVE-2020-6399 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1801175 Issue Tracking
- https://chromereleases.googleblog.com/2020/02/stable-channel-update-for-desktop.html x_refsource_MISCVendor Advisory
- https://crbug.com/1039869 x_refsource_MISCPermissions Required
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IOHSO6BUKC6I66J5PZOMAGFVJ66ZS57/ vendor-advisoryx_refsource_FEDORA
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3B5RWJQD5LA45MYLLR55KZJOJ5NVZGP/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2020-6399
- https://security.gentoo.org/glsa/202003-08 vendor-advisoryx_refsource_GENTOO
- https://www.cve.org/CVERecord?id=CVE-2020-6399
- https://www.debian.org/security/2020/dsa-4638 vendor-advisoryx_refsource_DEBIAN
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner Chrome
Published Feb 11, 2020
Updated Aug 4, 2024
Reserved Jan 8, 2020
Link CVE-2020-6399
CISA Vulnrichment
Updated n/a