CVE-2021-39987: huawei harmonyos Type Confusion
CVSS: 7.5v3.1HighModified
Published 03-01-2022Last modified 22-05-2025
Vulnerability summary
CVE-2021-39987 is a high (CVSS 7.5) Type Confusion vulnerability in huawei harmonyos. EPSS estimates a 0.66% chance of exploitation in the next 30 days, higher than 50.7% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (CVE.org)EPSS score
0.66%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 03-01-2022PublishedVulnerability first disclosed.
- 22-05-2025Last modifiedVulnerability information updated.
Description
The HwNearbyMain module has a Data Processing Errors vulnerability.Successful exploitation of this vulnerability may cause a process to restart.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.5Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 2 agree
- NVDNIST7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Medium 5.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.66%
Chance of exploitation in the next 30 days
Percentile
51%
Versus all other CVEs
30-day change
0.00 pp
From 0.66% on 21-09-2026
21-09-202621-10-2026
EPSS score0.66%
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-202111-0000001217889667X Refsource MISCVendor Advisory