Denial of service in Huawei Products
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2021-22321 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software |
Huawei NIP6300 Server applications / IDS/IPS systems, Firewalls and proxy servers Huawei NIP6600 Server applications / IDS/IPS systems, Firewalls and proxy servers Huawei NIP6800 Server applications / IDS/IPS systems, Firewalls and proxy servers Huawei S12700 Hardware solutions / Routers for home users Huawei S5700 Hardware solutions / Routers for home users Huawei S1700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S2700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S6700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S7700 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei S9700 Hardware solutions / Routers & switches, VoIP, GSM, etc USG9500 Hardware solutions / Routers & switches, VoIP, GSM, etc Huawei Secospace USG6300 Server applications / Server solutions for antivurus protection Huawei Secospace USG6500 Server applications / Server solutions for antivurus protection Huawei Secospace USG6600 Server applications / Server solutions for antivurus protection |
| Vendor | Huawei |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Use-after-free
EUVDB-ID: #VU50910
Risk: Medium
CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2021-22321
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a use-after-free error. A remote attacker can cause a denial of service condition on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsHuawei NIP6300: V500R001C30 - V500R001C60
Huawei NIP6600: V500R001C30
Huawei NIP6800: V500R001C60
Huawei S12700: V200R007C01 - V200R011C10
Huawei S1700: V200R009C00SPC200 - V200R011C10
Huawei S2700: V200R008C00 - V200R011C10
Huawei S5700: V200R008C00 - V200R011C10SPC100
Huawei S6700: V200R008C00 - V200R011C10SPC100
Huawei S7700: V200R008C00 - V200R011C10
Huawei S9700: V200R007C01 - V200R011C10
Huawei Secospace USG6300: V500R001C30 - V500R001C60
Huawei Secospace USG6500: V500R001C30 - V500R001C60
Huawei Secospace USG6600: V500R001C30 - V500R001C60
USG9500: V500R001C30 - V500R001C60
CPE2.3- cpe:2.3:a:huawei:huawei_nip6300:V500R001C30:*:*:*:*:*:*:*
- cpe:2.3:a:huawei:huawei_nip6300:V500R001C60:*:*:*:*:*:*:*
- cpe:2.3:a:huawei:huawei_nip6600:V500R001C30:*:*:*:*:*:*:*
- cpe:2.3:a:huawei:huawei_nip6800:V500R001C60:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s12700:V200R007C01:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s12700:V200R007C01B102:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s12700:V200R008C00:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s1700:V200R009C00SPC200:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s1700:V200R009C00SPC500:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s1700:V200R010C00:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s2700:V200R008C00:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s5700:V200R008C00:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s6700:V200R008C00:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s7700:V200R008C00:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:huawei_s9700:V200R007C01:*:*:*:*:*:*:*
- cpe:2.3:a:huawei:huawei_secospace_usg6300:V500R001C30:*:*:*:*:*:*:*
- cpe:2.3:a:huawei:huawei_secospace_usg6500:V500R001C30:*:*:*:*:*:*:*
- cpe:2.3:a:huawei:huawei_secospace_usg6600:V500R001C30:*:*:*:*:*:*:*
- cpe:2.3:h:huawei:usg9500:V500R001C30:*:*:*:*:*:*:*
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210210-01-uaf-en
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
