Improper input validation in Huawei S12700
CVE-2021-22357
There is a denial of service vulnerability in Huawei products. A module cannot deal with specific messages due to validating inputs insufficiently. Attackers can exploit this vulnerability by sending specific messages to affected module. This can cause denial of service. Affected product versions include: S12700 V200R013C00SPC500, V200R019C00SPC500; S5700 V200R013C00SPC500, V200R019C00SPC500; S6700 V200R013C00SPC500, V200R019C00SPC500; S7700 V200R013C00SPC500, V200R019C00SPC500.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.007 (50.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Huawei S12700
- Huawei S12700_firmware — versions v200r013c00spc500, v200r019c00spc500
- Huawei S5700
- Huawei S5700_firmware — versions v200r013c00spc500, v200r019c00spc500
- Huawei S6700
- Huawei S6700_firmware — versions v200r013c00spc500, v200r019c00spc500
- Huawei S7700
- Huawei S7700_firmware — versions v200r013c00spc500, v200r019c00spc500
- N/a S12700;s5700;s6700;s7700 — versions V200R013C00SPC500,V200R019C00SPC500
Weakness classification (CWE)
References
- psirt@huawei.com (x_refsource_MISC, Vendor Advisory)
Frequently asked questions
- What is CVE-2021-22357?
- CVE-2021-22357 is a high-severity vulnerability in Huawei S12700, classified under Improper Input Validation. CVSS score: 7.5/10. Published 2021-08-23.
- How severe is CVE-2021-22357?
- High severity. CVSS v3 base score is 7.5 out of 10.