CVE-2021-37021: huawei emui Out-of-bounds Write
CVSS: 9.1v3.1CriticalModified
Published 07-12-2021Last modified 04-08-2024
Vulnerability summary
CVE-2021-37021 is a critical (CVSS 9.1) Out-of-bounds Write vulnerability in huawei emui. EPSS estimates a 0.80% chance of exploitation in the next 30 days, higher than 56% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
0.80%
0%100%
Low · +0.03 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 07-12-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
There is a Stack-based Buffer Overflow vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to Out-of-bounds read.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesSingle source
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.80%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
+0.03 pp
From 0.77% on 21-09-2026
21-09-202621-10-2026
EPSS score0.80%
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
1 links- device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727X Refsource MISCVendor Advisory