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CVE-2020-9244

21
FAUCET Score

CVE-2020-9244 is an improper authentication vulnerability affecting various Huawei Mate, P, and Honor smartphone models running specific older software versions. The flaw stems from the system's failure to properly sign certain encrypted files, potentially allowing an attacker who possesses the encryption key to forge these files. Rated with a CVSS v3.1 score of 6.8 (Medium), this vulnerability has a physical attack vector (AV:P) and low attack complexity (AC:L), requiring no user interaction (UI:N). A successful exploit could lead to high impacts on confidentiality, integrity, and availability (C:H/I:H/A:H). Currently, there is no evidence of active exploitation, nor are there publicly available exploit codes in Metasploit, Nuclei, or ExploitDB. The vulnerability has garnered minimal community discussion and media coverage, indicating low public awareness.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.1.0.160\(c00e160r3p8\)CPE matchmatch criteria
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*
< 10.1.0.270\(c431e7r1p5\)CPE matchmatch criteria
cpe:2.3:o:huawei:mate_20_pro_firmware:*:*:*:*:*:*:*:*
< 10.1.0.160\(c00e160r2p8\)CPE matchmatch criteria
cpe:2.3:o:huawei:mate_20_x_firmware:*:*:*:*:*:*:*:*
< 10.1.0.160\(c00e160r2p11\)CPE matchmatch criteria
cpe:2.3:o:huawei:p30_firmware:*:*:*:*:*:*:*:*
< 10.1.0.160\(c00e160r2p8\)CPE matchmatch criteria
cpe:2.3:o:huawei:p30_pro_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.8MEDIUM

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
0.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.23%
Probability of exploitation in next 30 days
EPSS Percentile
14.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0023 is in the 28th percentile among its peer group of 1,530 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.2 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-20200805-02-smartphone-en
Vendor Advisory