Auth bypass in Huawei Smc2.0

CVE-2020-9209

There is a privilege escalation vulnerability in SMC2.0 product. Some files in a directory of a module are located improperly. It does not apply the directory limitation. Attackers can exploit this vulnerability by crafting malicious file to launch privilege escalation. This can compromise normal service of affected products.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (11.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.9% 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-2020-9209: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

  • Huawei Smc2.0
  • Huawei Smc2.0 Firmware — versions v600r006c00spc700, v600r006c00spc800, v600r006c10spc500
  • Smc2.0 — versions V600R006C00SPC700,V600R006C00SPC800,V600R006C10SPC500,V600R006C10SPC600,V600R006C10SPC601,V600R006C10SPC602,V600R006C10SPC700,V600R006C10SPC800,V600R006C10SPCa00,V600R006C10SPCb00,V600R006C10SPCc00,V600R006C10SPCd00,V600R006C10SPCe00,V600R019C00,V600R019C10

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2020-9209?
CVE-2020-9209 is a medium-severity vulnerability in Huawei Smc2.0, classified under Missing Authorization. CVSS score: 6.7/10. Published 2021-01-13.
How severe is CVE-2020-9209?
Medium severity. CVSS v3 base score is 6.7 out of 10.