Vulnerability Database

328,409

Total vulnerabilities in the database

CVE-2018-7943

There is an authentication bypass vulnerability in some Huawei servers. A remote attacker with low privilege may bypass the authentication by some special operations. Due to insufficient authentication, an attacker may exploit the vulnerability to get some sensitive information and high-level users' privilege.

  • Published: Jun 5, 2018
  • Updated: Nov 9, 2025
  • CVE: CVE-2018-7943
  • Severity: Medium
  • Exploit:

CVSS v2:

  • Severity: Medium
  • Score: 6.5
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
Software From Fixed in
huawei / 1288h_v5_firmware 100r005c00 100r005c00.x
huawei / 2288h_v5_firmware 100r005c00 100r005c00.x
huawei / 2488_v5_firmware 100r005c00 100r005c00.x
huawei / ch121_v3_firmware 100r001c00 100r001c00.x
huawei / ch121l_v3_firmware 100r001c00 100r001c00.x
huawei / ch121l_v5_firmware 100r001c00 100r001c00.x
huawei / ch121_v5_firmware 100r001c00 100r001c00.x
huawei / ch140_v3_firmware 100r001c00 100r001c00.x
huawei / ch140l_v3_firmware 100r001c00 100r001c00.x
huawei / ch220_v3_firmware 100r001c00 100r001c00.x
huawei / ch222_v3_firmware 100r001c00 100r001c00.x
huawei / ch242_v3_firmware 100r001c00 100r001c00.x
huawei / ch242_v5_firmware 100r001c00 100r001c00.x
huawei / rh1288_v3_firmware 100r003c00 100r003c00.x
huawei / rh2288_v3_firmware 100r003c00 100r003c00.x
huawei / rh2288h_v3_firmware 100r003c00 100r003c00.x
huawei / xh310_v3_firmware 100r003c00 100r003c00.x
huawei / xh321_v3_firmware 100r003c00 100r003c00.x
huawei / xh321_v5_firmware 100r005c00 100r005c00.x
huawei / xh620_v3_firmware 100r003c00 100r003c00.x

Frequently Asked Questions

A security vulnerability is a weakness in software, hardware, or configuration that can be exploited to compromise confidentiality, integrity, or availability. Many vulnerabilities are tracked as CVEs (Common Vulnerabilities and Exposures), which provide a standardized identifier so teams can coordinate patching, mitigation, and risk assessment across tools and vendors.

CVSS (Common Vulnerability Scoring System) estimates technical severity, but it doesn't automatically equal business risk. Prioritize using context like internet exposure, affected asset criticality, known exploitation (proof-of-concept or in-the-wild), and whether compensating controls exist. A "Medium" CVSS on an exposed, production system can be more urgent than a "Critical" on an isolated, non-production host.

A vulnerability is the underlying weakness. An exploit is the method or code used to take advantage of it. A zero-day is a vulnerability that is unknown to the vendor or has no publicly available fix when attackers begin using it. In practice, risk increases sharply when exploitation becomes reliable or widespread.

Recurring findings usually come from incomplete Asset Discovery, inconsistent patch management, inherited images, and configuration drift. In modern environments, you also need to watch the software supply chain: dependencies, containers, build pipelines, and third-party services can reintroduce the same weakness even after you patch a single host. Unknown or unmanaged assets (often called Shadow IT) are a common reason the same issues resurface.

Use a simple, repeatable triage model: focus first on externally exposed assets, high-value systems (identity, VPN, email, production), vulnerabilities with known exploits, and issues that enable remote code execution or privilege escalation. Then enforce patch SLAs and track progress using consistent metrics so remediation is steady, not reactive.

SynScan combines attack surface monitoring and continuous security auditing to keep your inventory current, flag high-impact vulnerabilities early, and help you turn raw findings into a practical remediation plan.