Known exploited vulnerability
CVE-2020-0674
The short answer
CVE-2020-0674 affects Microsoft Internet Explorer 10 and is rated high (CVSS 7.5). CISA added it to the Known Exploited Vulnerabilities catalog on 2021-11-03: attackers are using it, so patch it first. The vendor has linked a patch.
What it is
A remote code execution vulnerability exists in the way that the scripting engine handles objects in memory in Internet Explorer, aka 'Scripting Engine Memory Corruption Vulnerability'. This CVE ID is unique from CVE-2020-0673, CVE-2020-0710, CVE-2020-0711, CVE-2020-0712, CVE-2020-0713, CVE-2020-0767.
Weakness: CWE-416.
Severity
7.5 high
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploited (CISA KEV)
Yes, since Nov 3, 2021
Federal due date May 3, 2022
EPSS, next 30 days
87%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Internet Explorer 10, Internet Explorer 11, Internet Explorer 11 on Windows 10 Version 1909 for 32-bit Systems, Internet Explorer 11 on Windows 10 Version 1909 for x64-based Systems, Internet Explorer 11 on Windows 10 Version 1909 for ARM64-based Systems, Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems, Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems, Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems, Internet Explorer 11 on Windows Server 2012, Internet Explorer 9. NVD's record lists the exact affected versions.
References
- github.com/maxpl0it/CVE-2020-0674-Exploit ExploitThird Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0674 PatchVendor Advisory
- github.com/maxpl0it/CVE-2020-0674-Exploit ExploitThird Party Advisory
- portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0674 PatchVendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0674 US Government Resource
Questions
Is CVE-2020-0674 being exploited?
Yes. CISA added CVE-2020-0674 to its Known Exploited Vulnerabilities catalog on 2021-11-03, with a federal remediation due date of 2022-05-03.
How do I fix CVE-2020-0674?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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