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CVE-2020-9258

20
FAUCET Score

CVE-2020-9258 is an improper input verification vulnerability affecting HUAWEI P30 smartphones running firmware versions earlier than 10.1.0.135(C00E135R2P11). This flaw, rated Medium severity (CVSS 5.5), allows a local attacker to inject malicious fragments due to incorrect attribution and insufficient verification, potentially leading to user information leakage. While the vulnerability requires local access and user interaction, there is currently no public exploit code available, and it has not been observed in active exploitation or garnered significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.1.0.135\(c00e135r2p11\)CPE matchmatch criteria
cpe:2.3:o:huawei:p30_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

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

Exploit Intelligence

EPSS Score
0.22%
Probability of exploitation in next 30 days
EPSS Percentile
12.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0022 is in the 16th percentile among its peer group of 5,765 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-20200708-02-smartphone-en
Vendor Advisory