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CVE-2021-22307

20
FAUCET Score

CVE-2021-22307 is a weak algorithm vulnerability affecting Huawei Mate 30 devices running firmware version 10.0.0.203(C00E201R7P2). This flaw stems from insufficient protection for critical modules, allowing local attackers to compromise the integrity of specific components. Rated Medium severity (CVSS 5.5), exploitation requires local access with low attack complexity, potentially leading to high integrity impact without affecting confidentiality or availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
10.0.0.203\(c00e201r7p2\)CPE matchmatch criteria
cpe:2.3:o:huawei:mate_30_firmware:10.0.0.203\(c00e201r7p2\):*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.20%
Probability of exploitation in next 30 days
EPSS Percentile
10.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0020 is in the 48th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

huawei.com / en/psirt/security-advisories/huawei-sa-20210127-06-smartphone-en
Vendor Advisory