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CVE-2020-0813

ChakraCore information disclosure vulnerability

7.5 HighFix available

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

5.46%Up 0.9 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 7.5

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.

Record
CVE-2020-0813
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS 2.0
5.0 MediumAV:N/AC:L/Au:N/C:P/I:N/A:N
Updated
2026-11-02
CVE List No score

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.

Record
CVE-2020-0813
Updated
2026-11-02
EUVDEUVD-2022-5437 No score

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.

Record
EUVD-2022-5437
Updated
2026-11-03
GitHub AdvisoriesGHSA-vvvh-5xrm-pxff 7.5

ChakraCore information disclosure vulnerability

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data. To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.

Record
GHSA-vvvh-5xrm-pxff
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02
OSVGHSA-vvvh-5xrm-pxff 7.5

ChakraCore information disclosure vulnerability

An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user's computer or data. To exploit the vulnerability, an attacker must know the memory address of where the object was created.The update addresses the vulnerability by changing the way certain functions handle objects in memory., aka 'Scripting Engine Information Disclosure Vulnerability'.

Record
GHSA-vvvh-5xrm-pxff
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated
2026-11-02

Affected products

Show 6 moreShow less

Affected packages

Affected packages
PackageAffectedFixed
Microsoft.ChakraCore
NuGet
before 1.11.17
1.11.17
Microsoft.ChakraCore
NuGet
before 1.11.17, plus listed versions
1.10.01.10.11.10.21.11.01.11.1
Show 45 moreShow less
1.11.101.11.111.11.121.11.131.11.141.11.151.11.161.11.21.11.31.11.41.11.51.11.61.11.71.11.81.11.91.2.01.2.11.2.21.2.31.2.6.62716-preview1.3.01.3.11.3.21.4.01.4.11.4.21.4.31.4.41.4.51.5.01.5.11.5.21.5.31.6.01.6.21.7.01.7.11.7.21.7.31.7.41.7.51.7.61.8.01.8.11.8.2
1.11.17

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-0813 is a high vulnerability (CVSS 7.5) in Microsoft Chakracore, published March 12, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 5.46%, the 92nd percentile. Fixed in Microsoft.ChakraCore 1.11.17.

References

This page doesn't list everything

Left out here: 3 versions. The JSON record has them.

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