CVE-2021-40026: huawei emui Out-of-bounds Write
CVSS: 7.5v3.1HighModified
Published 07-01-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-40026 is a high (CVSS 7.5) Out-of-bounds Write vulnerability in huawei emui. EPSS estimates a 0.63% chance of exploitation in the next 30 days, higher than 49% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
0.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-01-2022PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
There is a Heap-based buffer overflow vulnerability in the AOD module in smartphones. Successful exploitation of this vulnerability may affect service integrity.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:NSourcesSingle source
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.63%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
0.00 pp
From 0.63% on 19-09-2026
19-09-202619-10-2026
EPSS score0.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
1 vendor · 3 products
References
2 links- device.harmonyos.com/en/docs/security/update/security-bulletins-202201-0000001238736331X Refsource MISCVendor Advisory