Use After Free in Huawei Cloudengine 12800
CVE-2021-37122
There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. Successful exploitation may cause the service abnormal. Affected product versions include:CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 18.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Huawei Cloudengine 12800
- Huawei Cloudengine 12800 Firmware — versions v200r005c10spc800, v200r019c00spc800
- Huawei Cloudengine 5800
- Huawei Cloudengine 5800 Firmware — versions v200r005c10spc800, v200r019c00spc800
- Huawei Cloudengine 6800
- Huawei Cloudengine 6800 Firmware — versions v200r005c10spc800, v200r005c20spc800, v200r019c00spc800
- Huawei Cloudengine 7800
- Huawei Cloudengine 7800 Firmware — versions v200r005c10spc800, v200r019c00spc800
- Cloudengine 12800;cloudengine 5800;cloudengine 6800;cloudengine 7800 — versions V200R005C10SPC800,V200R019C00SPC800, V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-37122?
- CVE-2021-37122 is a medium-severity vulnerability in Huawei Cloudengine 12800, classified under Use After Free. CVSS score: 6.5/10. Published 2021-10-27.
- How severe is CVE-2021-37122?
- Medium severity. CVSS v3 base score is 6.5 out of 10.