CVE-2018-7943 Auth bypass in 1288H V5; 2288H V5; 2488 V5 ; CH121 V3; CH121L V3; CH121L V5 ; CH121 V5 ; CH140 V3; CH140L V3; CH220 V3; CH222 V3; CH242 V3; CH242 V5 ; RH1288 V3; RH2288 V3; RH2288H V3; XH310 V3; XH321 V3; XH321 V5; XH620 V3

High 8.8 Published 5 Jun 2018 Updated 17 Sep 2024

Remote attackers can bypass authentication on Huawei servers to access sensitive information and gain high-level privileges.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2018-7943?

CVE-2018-7943 is a high-severity authentication bypass vulnerability in Huawei Technologies Co., Ltd. 1288H V5; 2288H V5; 2488 V5 ; CH121 V3; CH121L V3; CH121L V5 ; CH121 V5 ; CH140 V3; CH140L V3; CH220 V3; CH222 V3; CH242 V3; CH242 V5 ; RH1288 V3; RH2288 V3; RH2288H V3; XH310 V3; XH321 V3; XH321 V5; XH620 V3, published on 5 Jun 2018. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

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.

Weakness: CWE-287

Which versions are affected by CVE-2018-7943?

It affects 20 products.

Products include Huawei 1288h V5 Firmware, Huawei 2288h V5 Firmware, Huawei 2488 V5 Firmware, Huawei Ch121 V3 Firmware, Huawei Ch121 V5 Firmware, Huawei Ch121l V3 Firmware and 14 more.

How do I fix CVE-2018-7943?

No fix has been published for CVE-2018-7943 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2018-7943 being exploited?

There is no known exploitation of CVE-2018-7943 in the wild and no public exploit code.

Sources

Also known as GHSA-qp67-v7w7-r9vj.