What is CVE-2017-8174?

CVE-2017-8174 is a high-severity vulnerability in Huawei Secospace Usg6300, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2017-11-22.

How severe is CVE-2017-8174?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in Huawei Secospace Usg6300

CVE-2017-8174

Huawei USG6300 V100R001C30SPC300 and USG6600 with software of V100R001C30SPC500,V100R001C30SPC600,V100R001C30SPC700,V100R001C30SPC800 have a weak algorithm vulnerability. Attackers may exploit the weak algorithm vulnerability to crack the cipher text and cause confidential information leaks on the transmission links.

Published 2017-11-22 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.1th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Huawei Secospace Usg6300
Huawei Secospace Usg6300 Firmware — versions v100r001c30spc300
Huawei Secospace Usg6600
Huawei Secospace Usg6600 Firmware — versions v100r001c30spc500, v100r001c30spc600, v100r001c30spc700
Huawei Technologies Co., Ltd. Secospace Usg6300,secospace Usg6600 — versions V100R001C30SPC300,V100R001C30SPC500,V100R001C30SPC600,V100R001C30SPC700,V100R001C30SPC800

Weakness classification (CWE)

CWE-326 — Inadequate Encryption Strength

References

www.huawei.com/en/psirt/security-advisories/huawei-sa-20170802-01-usg-en (Vendor Advisory)

Frequently asked questions

What is CVE-2017-8174?: CVE-2017-8174 is a high-severity vulnerability in Huawei Secospace Usg6300, classified under Inadequate Encryption Strength. CVSS score: 7.5/10. Published 2017-11-22.
How severe is CVE-2017-8174?: High severity. CVSS v3 base score is 7.5 out of 10.