CVE-2020-17054: microsoft chakracore Out-of-bounds Write
CVSS: 7.6v2.0HighModified
AliasesGHSA-88cw-3m6x-49f7
Published 11-11-2020Last modified 01-10-2024
Vulnerability summary
CVE-2020-17054 is a high (CVSS 7.6) Out-of-bounds Write vulnerability in microsoft chakracore. EPSS estimates a 2.07% chance of exploitation in the next 30 days, higher than 81.1% of scored vulnerabilities.
CVSS score
7.6/10
010
High · v2.0 (NVD)EPSS score
2.07%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-11-2020PublishedVulnerability first disclosed.
- 01-10-2024Last modifiedVulnerability information updated.
Description
Chakra Scripting Engine Memory Corruption Vulnerability
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 4.2Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:CSources3 sources · 4.2–7.5
- OSV · NugetEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:HDiffers
- NVDNIST4.2MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
High 7.6Preferred score · NVD (NIST)
AV:N/AC:H/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
2.07%
Chance of exploitation in the next 30 days
Percentile
81%
Versus all other CVEs
30-day change
0.00 pp
From 2.07% on 20-09-2026
20-09-202620-10-2026
EPSS score2.07%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Microsoft3 products
- chakracore< publication | ≥ 1.11.0, < 1.11.23
- edgena
- microsoft edge (edgehtml-based)≥ 1.0..0, < publication
NuGet1 product
- Microsoft.ChakraCore< 1.11.23
2 vendors · 4 products
References
4 links
portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17054X Refsource MISCWEBPatchVendor Advisory