Buffer overflow in Huawei P30

CVE-2021-22327

There is an arbitrary memory write vulnerability in Huawei smart phone when processing file parsing. Due to insufficient validation of the input files, successful exploit could cause certain service abnormal. Affected product versions include:HUAWEI P30 versions 10.0.0.186(C10E7R5P1), 10.0.0.186(C461E4R3P1), 10.0.0.188(C00E85R2P11), 10.0.0.188(C01E88R2P11),10.0.0.188(C605E19R1P3), 10.0.0.190(C185E4R7P1), 10.0.0.190(C431E22R2P5), 10.0.0.190(C432E22R2P5),10.0.0.190(C605E19R1P3), 10.0.0.190(C636E4R3P4), 10.0.0.192(C635E3R2P4).

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.005 (42.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-22327: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

  • Huawei P30
  • Huawei P30 Firmware — versions 10.0.0.186(c10e7r5p1), 10.0.0.190\(c185e4r7p1\), 10.0.0.190\(c605e19r1p3\)
  • Huawei P30 — versions 10.0.0.186(C10E7R5P1),10.0.0.186(C461E4R3P1),10.0.0.188(C00E85R2P11),10.0.0.188(C01E88R2P11),10.0.0.188(C605E19R1P3),10.0.0.190(C185E4R7P1),10.0.0.190(C431E22R2P5),10.0.0.190(C432E22R2P5),10.0.0.190(C605E19R1P3),10.0.0.190(C636E4R3P4),10.0.0.192(C635E3R2P4)

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-22327?
CVE-2021-22327 is a medium-severity vulnerability in Huawei P30, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2021-04-28.
How severe is CVE-2021-22327?
Medium severity. CVSS v3 base score is 6.5 out of 10.