Risk | Medium |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-40042 |
CWE-ID | CWE-763 |
Exploitation vector | 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 medium risk vulnerability.
EUVDB-ID: #VU59870
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2021-40042
CWE-ID:
CWE-763 - Release of invalid pointer or reference
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a release of invalid pointer in Huawei OptiX OSN 9800 U32 product. A remote authenticated attacker can send specially crafted messages and cause a denial of service condition in th target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHuawei CloudEngine 12800: V200R019C10SPC800 - V200R019C10SPC900
Huawei CloudEngine 5800: V200R019C10SPC800 - V200R020C00SPC600
Huawei CloudEngine 6800: V200R019C10SPC800 - V300R020C00SPC200
Huawei CloudEngine 7800: V200R019C10SPC800
External linkshttp://www.huawei.com/en/psirt/security-advisories/huawei-sa-20220112-01-invalid-en
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.