Resource exhaustion in Huawei Ar1200
CVE-2018-7920
Huawei AR1200 V200R006C10SPC300, AR160 V200R006C10SPC300, AR200 V200R006C10SPC300, AR2200 V200R006C10SPC300, AR3200 V200R006C10SPC300 devices have an improper resource management vulnerability. Due to the improper implementation of ACL mechanism, a remote attacker may send TCP messages to the management interface of the affected device to exploit this vulnerability. Successful exploit could exhaust the socket resource of management interface, leading to a DoS condition.
Vulnerability class: DoS (Denial of Service)
Published · last modified .
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:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.009 (59.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 59th percentile — 59.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Huawei Ar1200
- Huawei Ar1200 Firmware — versions v200r006c10spc300
- Huawei Ar160
- Huawei Ar160 Firmware — versions v200r006c10spc300
- Huawei Ar200
- Huawei Ar200 Firmware — versions v200r006c10spc300
- Huawei Ar2200
- Huawei Ar2200 Firmware — versions v200r006c10spc300
- Huawei Ar3200
- Huawei Ar3200 Firmware — versions v200r006c10spc300
Weakness classification (CWE)
References
- www.huawei.com/en/psirt/security-advisories/huawei-sa-20180418-01-ar-en (Vendor Advisory)
Frequently asked questions
- What is CVE-2018-7920?
- CVE-2018-7920 is a high-severity vulnerability in Huawei Ar1200, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2018-04-19.
- How severe is CVE-2018-7920?
- High severity. CVSS v3 base score is 7.5 out of 10.