How severe is CVE-2017-8167?

CVE-2017-8167 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2017-8167 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-8167?

CVE-2017-8167 affects Huawei Usg9500 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-8167?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2017-8167 published?

CVE-2017-8167 was published on 2017-11-22 and last updated on 2026-06-17.

CVE-2017-8167

CVE-2017-8167 is a high-severity vulnerability in Huawei Usg9500 Firmware with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 7.8
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Huawei Usg9500 Firmware
Published: 2017-11-22
Last modified: 2026-06-17

Description

Huawei firewall products USG9500 V500R001C50 has a DoS vulnerability.A remote attacker who controls the peer device could exploit the vulnerability by sending malformed IKE packets to the target device. Successful exploit of the vulnerability could cause the device to restart.

Frequently asked questions

What is CVE-2017-8167?: Huawei firewall products USG9500 V500R001C50 has a DoS vulnerability.A remote attacker who controls the peer device could exploit the vulnerability by sending malformed IKE packets to the target device. Successful exploit of the vulnerability could cause the device to restart.
How severe is CVE-2017-8167?: CVE-2017-8167 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2017-8167 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-8167?: CVE-2017-8167 affects Huawei Usg9500 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-8167?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2017-8167 published?: CVE-2017-8167 was published on 2017-11-22 and last updated on 2026-06-17.

References

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20171025-01-firewall-en

Affected products (1)

cpe:2.3:o:huawei:usg9500_firmware:v500r001c50:*:*:*:*:*:*:*

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