CVE-2019-5227 — P30, P30 Pro, Mate 20 smartphones with software of versions earlier than ELLE-AL

P30, P30 Pro, Mate 20 smartphones with software of versions earlier than ELLE-AL00B 9.1.0.193(C00E190R2P1), versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R2P1), versions earlier than Hima-AL00B 9.1.0.135(C00E133R2P1) and HiSuite with versions earlier than HiSuite 9.1.0.305 h

01What is this vulnerability?

P30, P30 Pro, Mate 20 smartphones with software of versions earlier than ELLE-AL00B 9.1.0.193(C00E190R2P1), versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R2P1), versions earlier than Hima-AL00B 9.1.0.135(C00E133R2P1) and HiSuite with versions earlier than HiSuite 9.1.0.305 have a version downgrade vulnerability. The device and HiSuite software do not validate the upgrade package…

02Affected products

Vendor	Product	Versions
n	a / P30, P30 Pro, Mate 20, HiSuite	Versions earlier than ELLE-AL00B 9.1.0.193(C00E190R2P1), Versions earlier than VOGUE-AL00A 9.1.0.193(C00E190R2P1), Versions earlier than Hima-AL00B 9.1.0.135(C00E133R2P1), Versions earlier than HiSuite 9.1.0.305

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-11-29T19:24:05.000Z
• Last modified: 2024-08-04T19:47:56.916Z

09References

• www.huawei.com — https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190904-01-smartp…