Vulnerability · Published Mar 22, 2021 · Assigned by huawei

CVE-2021-22321

Medium 5.3

In plain English

A medium-severity security flaw in NIP6600;NIP6800;S12700;S1700;S2700;S5700;S6700;S7700;S9700;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 55% of all known vulnerabilities).

Severity (CVSS NVD)5.3Medium
Exploit odds (30 days)0.7%top 45.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

There is a use-after-free vulnerability in a Huawei product. A module cannot deal with specific operations in special scenarios. Attackers can exploit this vulnerability by performing malicious operations. This can cause memory use-after-free, compromising normal service. Affected product include some versions of NIP6300, NIP6600, NIP6800, S1700, S2700, S5700, S6700 , S7700, S9700, Secospace USG6300, Secospace USG6500, Secospace USG6600 and USG9500.

Affected products (as reported)

VendorProductVersions
n/a NIP6600;NIP6800;S12700;S1700;S2700;S5700;S6700;S7700;S9700;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG9500 V500R001C30,V500R001C60V500R001C30V500R001C60V200R007C01,V200R007C01B102,V200R008C00,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10V200R009C00SPC200,V200R009C00SPC500,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10V200R008C00,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10V200R008C00,V200R010C00,V200R010C00SPC300,V200R011C00,V200R011C00SPC100,V200R011C10,V200R011C10SPC100

References