// For flags

CVE-2021-37122

 

Severity Score

6.5
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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.

Se presenta una vulnerabilidad de uso de memoria previamente liberada (UAF) en los productos de Huawei. Un atacante puede diseñar paquetes específicos para explotar esta vulnerabilidad. Una explotación con éxito puede causar el servicio anormal. Las versiones de producto afectadas son: CloudEngine 12800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 5800 V200R005C10SPC800,V200R019C00SPC800;CloudEngine 6800 V200R005C10SPC800,V200R005C20SPC800,V200R019C00SPC800;CloudEngine 7800 V200R005C10SPC800,V200R019C00SPC800

*Credits: N/A
CVSS Scores
Attack Vector
Adjacent
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
Attack Vector
Adjacent
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-07-20 CVE Reserved
  • 2021-10-27 CVE Published
  • 2024-07-12 EPSS Updated
  • 2024-08-04 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-416: Use After Free
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Huawei
Search vendor "Huawei"
Cloudengine 12800 Firmware
Search vendor "Huawei" for product "Cloudengine 12800 Firmware"
v200r005c10spc800
Search vendor "Huawei" for product "Cloudengine 12800 Firmware" and version "v200r005c10spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 12800
Search vendor "Huawei" for product "Cloudengine 12800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 12800 Firmware
Search vendor "Huawei" for product "Cloudengine 12800 Firmware"
v200r019c00spc800
Search vendor "Huawei" for product "Cloudengine 12800 Firmware" and version "v200r019c00spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 12800
Search vendor "Huawei" for product "Cloudengine 12800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 5800 Firmware
Search vendor "Huawei" for product "Cloudengine 5800 Firmware"
v200r005c10spc800
Search vendor "Huawei" for product "Cloudengine 5800 Firmware" and version "v200r005c10spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 5800
Search vendor "Huawei" for product "Cloudengine 5800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 5800 Firmware
Search vendor "Huawei" for product "Cloudengine 5800 Firmware"
v200r019c00spc800
Search vendor "Huawei" for product "Cloudengine 5800 Firmware" and version "v200r019c00spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 5800
Search vendor "Huawei" for product "Cloudengine 5800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 6800 Firmware
Search vendor "Huawei" for product "Cloudengine 6800 Firmware"
v200r005c10spc800
Search vendor "Huawei" for product "Cloudengine 6800 Firmware" and version "v200r005c10spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 6800
Search vendor "Huawei" for product "Cloudengine 6800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 6800 Firmware
Search vendor "Huawei" for product "Cloudengine 6800 Firmware"
v200r005c20spc800
Search vendor "Huawei" for product "Cloudengine 6800 Firmware" and version "v200r005c20spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 6800
Search vendor "Huawei" for product "Cloudengine 6800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 6800 Firmware
Search vendor "Huawei" for product "Cloudengine 6800 Firmware"
v200r019c00spc800
Search vendor "Huawei" for product "Cloudengine 6800 Firmware" and version "v200r019c00spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 6800
Search vendor "Huawei" for product "Cloudengine 6800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 7800 Firmware
Search vendor "Huawei" for product "Cloudengine 7800 Firmware"
v200r005c10spc800
Search vendor "Huawei" for product "Cloudengine 7800 Firmware" and version "v200r005c10spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 7800
Search vendor "Huawei" for product "Cloudengine 7800"
--
Safe
Huawei
Search vendor "Huawei"
Cloudengine 7800 Firmware
Search vendor "Huawei" for product "Cloudengine 7800 Firmware"
v200r019c00spc800
Search vendor "Huawei" for product "Cloudengine 7800 Firmware" and version "v200r019c00spc800"
-
Affected
in Huawei
Search vendor "Huawei"
Cloudengine 7800
Search vendor "Huawei" for product "Cloudengine 7800"
--
Safe