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CVE-2015-8084

7.1 · HIGH

Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is…

Published Dec 7, 2015huaweiCWE-20EPSS 0.85%

Overview

CVE-2015-8084 is a high-severity vulnerability affecting huawei unified_security_gateway_firmware. It was published on December 7, 2015 and has a CVSS 2.0 base score of 7.1 (HIGH).

This vulnerability has a CVSS 2.0 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical description

Huawei USG5500, USG2100, USG2200, and USG5100 unified security gateways with software before V300R001C10SPC600, when "DHCP Snooping" is enabled and either "option82 insert" or "option82 rebuild" is enabled on an interface, allow remote attackers to cause a denial of service (reboot) via crafted DHCP packets.

Remediation

Check the references section for vendor advisories and patches from huawei. Update unified_security_gateway_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected products

VendorProductVersionsStatus
huaweiunified_security_gateway_firmware0Affected

References

Refwww.securityfocus.com/bid/77300Refwww1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-457916.htmRefwww.securityfocus.com/bid/77300Refwww1.huawei.com/en/security/psirt/security-bulletins/security-advisories/hw-457916.htm

How CyberStrike helps

Frequently asked questions

What is CVE-2015-8084?

CVE-2015-8084 is a high-severity vulnerability affecting huawei unified_security_gateway_firmware. It was published on December 7, 2015 and has a CVSS 2.0 base score of 7.1 (HIGH).

How severe is CVE-2015-8084?

This vulnerability has a CVSS 2.0 base score of 7.1, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2015-8084?

Check the references section for vendor advisories and patches from huawei. Update unified_security_gateway_firmware to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2015-8084?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2015-8084 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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