HOMEVULNERABILITIESCVE-2021-37063
CRITICAL

CVE-2021-37063

NVD-CWE-noinfoPublished: December 7, 2021· Updated: Jun 17, 2026

9.8
CVSS v3.1

Official Description

There is a Cryptographic Issues vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may lead to read and delete images of Harmony devices.

NVD Source

Technical Analysis

CVE-2021-37063 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Huawei1 product(s)
harmonyos
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727
ADVISORYhttps://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727

All References (2)

→
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727Vendor Advisory
→
https://device.harmonyos.com/en/docs/security/update/security-bulletins-202109-0000001196270727Vendor Advisory

Quick Facts

CVE IDCVE-2021-37063
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessNVD-CWE-noinfo
CISA KEVNo
Affected1 vendor(s)
PublishedDec 7, 2021

Related CVEs (NVD-CWE-noinfo)

CVE-2020-14606
10.0
CVE-2011-0807
10.0
CVE-2019-9548
10.0
CVE-2020-14701
10.0
CVE-2008-4873
10.0
CVE-2015-3042
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-37063 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2021-37063·NVD