CVE-2021-22357 Denial of service in S12700;S5700;S6700;S7700
Attackers can cause denial of service on Huawei switches by sending specific messages due to insufficient input validation.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-22357?
CVE-2021-22357 is a high-severity denial of service vulnerability in S12700;S5700;S6700;S7700, published on 23 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-20
Which versions are affected by CVE-2021-22357?
It affects 4 products.
Products include Huawei S12700 Firmware, Huawei S5700 Firmware, Huawei S6700 Firmware, Huawei S7700 Firmware.
How do I fix CVE-2021-22357?
No fix has been published for CVE-2021-22357 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-22357 being exploited?
There is no known exploitation of CVE-2021-22357 in the wild and no public exploit code.
Other vulnerabilities in S12700;S5700;S6700;S7700
- CVE-2016-4087 Command injection in n/a
- CVE-2019-19397 Weak cryptography in S12700;S1700;S2700;S5700;S6700;S7700;S9700
- CVE-2019-5285 Denial of service in S12700, S12700, S12700, S12700, S12700, S12700, S12700, S12700, S1700, S1700, S1700, S1700, S1700, S1700, S2300, S2300, S2300, S2300, S2300, S2300, S2300, S2700, S2700, S2700, S2700, S2700, S2700, S2700, S2700, S5300, S5300, S5300, S5300, S5300, S5300, S5300, S5700, S5700, S5700, S5700, S5700, S5700, S5700, S5700, S5700, S600-E, S600-E, S600-E, S600-E, S600-E, S6300, S6300, S6300, S6300, S6300, S6300, S6300, S6300, S6700, S6700, S6700, S6700, S6700, S6700, S6700, S6700, S7700, S7700, S7700, S7700, S7700, S7700, S7700, S7700, S7700, S7900, S7900, S7900, S9300, S9300, S9300, S9300, S9300, S9300, S9300, S9300X, S9300X, S9300X, S9300X, S9700, S9700, S9700, S9700, S9700, S9700, S9700, S9700, S9700
- CVE-2016-8786 Denial of service in S12700, S5700, S6700, S7700, S9700
- CVE-2017-17300 Integer overflow in S12700,S5700,S6700,S7700,S9700
Sources
Also known as GHSA-w9mq-c2pg-qc2x.