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Fencer Vulns
critical 9.8

CVE-2021-37040 json

There is a Parameter injection vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause privilege escalat…

published 2021-12-08 4 y ago modified 2026-06-17 4 mo ago also EUVD-2021-23616

cvss
9.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

There is a Parameter injection vulnerability in Huawei Smartphone.Successful exploitation of this vulnerability may cause privilege escalation of files after CIFS share mounting.

Patch / fix

  • huawei harmonyos 2.0

Exploit prediction

0.79% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

  • Huawei EMUI
  • Huawei Magic UI
  • Huawei HarmonyOS

Classification

Weakness
  • CWE-88 Improper Neutralization of Argument Delimiters in a Command

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.