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CVE-2020-1791

11
FAUCET Score

CVE-2020-1791 describes an improper authorization vulnerability in HUAWEI Mate 20 smartphones running firmware versions earlier than 10.0.0.185(C00E74R3P8). This low-severity vulnerability, rated 2.4 CVSSv3.1, stems from a logic error that allows an attacker to switch to a third desktop after a series of operations in ADB mode. The attack requires physical access (AV:P) and has a low impact on integrity (I:L), with no known active exploitation, public exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
< 10.0.0.185\(c00e74r3p8\)CPE matchmatch criteria
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

2.4LOW

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

Attack Vector
PHYSICAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
0.9
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.21%
Probability of exploitation in next 30 days
EPSS Percentile
11.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0021 is in the 32nd percentile among its peer group of 228 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 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-20200205-01-smartphone-en
Vendor Advisory