Denial of service in Huawei CloudEngine products
| Risk | Low |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-37122 |
| CWE-ID | CWE-416 |
| Exploitation vector | Local network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Huawei CloudEngine 12800 Hardware solutions / Firmware Huawei CloudEngine 5800 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei CloudEngine 6800 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei CloudEngine 7800 Hardware solutions / Routers & switches, VoIP, GSM, etc |
| Vendor | Huawei |
Security Bulletin
This security bulletin contains one low risk vulnerability.
1) Use-after-free
EUVDB-ID: #VU57183
Risk: Low
CVSSv3.1: 5.7 [CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-37122
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error. A remote attacker on the local network can send a specially crafted packet and perform a denial of service (DoS) attack.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHuawei CloudEngine 12800: V200R005C10SPC800 - V200R019C00SPC800
Huawei CloudEngine 5800: V200R005C10SPC800 - V200R019C00SPC800
Huawei CloudEngine 6800: V200R005C10SPC800 - V200R019C00SPC800
Huawei CloudEngine 7800: V200R005C10SPC800 - V200R019C00SPC800
External linkshttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20211008-01-cloudengine-en
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
