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CVE-2019-5226

16
FAUCET Score

CVE-2019-5226 describes a version downgrade vulnerability affecting Huawei P30, P30 Pro, Mate 20 smartphones and HiSuite software. The flaw, categorized as CWE-346, stems from insufficient validation of upgrade packages, allowing an attacker to downgrade the device's system to an older, potentially less secure version. With a CVSS v3.1 score of 5.5 (Medium), this vulnerability requires user interaction (UI:R) and local access (AV:L) to achieve a high impact on integrity (I:H) without affecting confidentiality or availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< elle-al00b_9.1.0.193\(c00e190r2p1\)CPE matchmatch criteria
cpe:2.3:o:huawei:p30_firmware:*:*:*:*:*:*:*:*
< vogue-al00a_9.1.0.193\(c00e190r2p1\)CPE matchmatch criteria
cpe:2.3:o:huawei:p30_pro_firmware:*:*:*:*:*:*:*:*
< hima-al00b_9.1.0.135\(c00e133r2p1\)CPE matchmatch criteria
cpe:2.3:o:huawei:mate_20_firmware:*:*:*:*:*:*:*:*
< 9.1.0.305CPE matchmatch criteria
cpe:2.3:o:huawei:hisuite_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:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
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
0.24%
Probability of exploitation in next 30 days
EPSS Percentile
14.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0024 is in the 18th percentile among its peer group of 5,765 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 0.1 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-20190904-01-smartphone-en
Vendor Advisory