CVE-2019-5296 — Mate20 Huawei smartphones versions earlier than HMA-AL00C00B175 have an out-of-b

Mate20 Huawei smartphones versions earlier than HMA-AL00C00B175 have an out-of-bounds read vulnerability. An attacker with a high permission runs some specific commands on the smartphone. Due to insufficient input verification, successful exploit may cause out-of-bounds read of t

01What is this vulnerability?

Mate20 Huawei smartphones versions earlier than HMA-AL00C00B175 have an out-of-bounds read vulnerability. An attacker with a high permission runs some specific commands on the smartphone. Due to insufficient input verification, successful exploit may cause out-of-bounds read of the memory and the system abnormal.

02Affected products

Vendor	Product	Versions
Huawei	Mate20	Versions earlier than HMA-AL00C00B175

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: 2019-06-04T17:56:37.000Z
• Last modified: 2024-08-04T19:54:53.153Z

09References

• www.huawei.com — https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20190220-01-phone-…