CVE-2021-40000: huawei harmonyos Out-of-bounds Write
CVSS: 8.8v3.1HighModified
Published 07-01-2022Last modified 04-08-2024
Vulnerability summary
CVE-2021-40000 is a high (CVSS 8.8) Out-of-bounds Write vulnerability in huawei harmonyos. EPSS estimates a 0.38% chance of exploitation in the next 30 days, higher than 31% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (NVD)EPSS score
0.38%
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
The Bluetooth module has an out-of-bounds write vulnerability. Successful exploitation of this vulnerability may result in malicious command execution at the remote end.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 8.8Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 5.8Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
0.38%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.38% on 20-09-2026
20-09-202620-10-2026
EPSS score0.38%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Huawei1 product
- harmonyos2.0 | < 2.0
1 vendor · 1 product
References
1 links- device.harmonyos.com/en/docs/security/update/security-bulletins-202112-0000001183296718X Refsource MISCVendor Advisory