CVE-2020-0969
Exploitation likely. EPSS gives it a 13% chance of exploitation in the next 30 days. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
A remote code execution vulnerability exists in the way that the Chakra scripting engine handles objects in memory in Microsoft Edge (HTML-based), aka 'Chakra Scripting Engine Memory Corruption Vulnerability'.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
No public exploit or proof of concept found in the sources we track.
- EPSS
13% chance of exploitation activity in the next 30 days, which ranks it in the 96th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
6 events over 2262 days, from the signal feeds we watch.
- OpenVAS check added
- Patch availablerecord updated
- Publishedweakness classified, att&ck mapped
Affected products
- ChakraCoreOperating Systems / linux-distro
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit SystemsOperating Systems / windows
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based SystemsConsumer Software / browser
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based SystemsConsumer Software / browser
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit SystemsOperating Systems / windows
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based SystemsConsumer Software / browser
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based SystemsConsumer Software / browser
- Microsoft Edge (EdgeHTML-based) on Windows Server 2019Consumer Software / browser
And 18 more affected products. See all after sign-in
Technical detail
CVSS 3.1 vector
Open in the CVSS calculatorCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Scored 7.5 by NVD.
How it is reached
- Attack Vector NetworkExploitable remotely over the network without any special conditions
- Attack Complexity HighRequires specific conditions like a race condition or non-default configuration
- Privileges Required NoneNo authentication required — anyone can exploit this
- User Interaction RequiredA user must click a link, open a file, or perform some action
Scope
- Scope UnchangedImpact is limited to the vulnerable component itself
Impact if exploited
- Confidentiality HighTotal information disclosure — all data in the component is compromised
- Integrity HighTotal loss of integrity — attacker can modify any data in the component
- Availability HighTotal denial of service — the component is completely unavailable
Weaknesses
ATT&CK techniques
Mapped from the weaknesses above (CWE to ATT&CK), not observed in attacks.
- Initial AccessT1190Exploit Public-Facing Applicationhigh confidence
- Privilege EscalationT1068Exploitation for Privilege Escalationhigh confidence
Sources
References in the record
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0969
- nvd.nist.gov/vuln/detail/CVE-2020-0969
- github.com/chakra-core/ChakraCore/pull/6420
And 2 more references. See all after sign-in
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