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CVE-2021-37122

MEDIUMCVSS 6.5/10EPSS 0.26%

Last modified

CVE-2021-37122 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. There is a use-after-free (UAF) vulnerability in Huawei products. An attacker may craft specific packets to exploit this vulnerability. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
6.5/10

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability
0.26%

17.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HuaweiCloudengine 12800 Firmwarev200r005c10spc800
HuaweiCloudengine 12800 Firmwarev200r019c00spc800
HuaweiCloudengine 5800 Firmwarev200r005c10spc800
HuaweiCloudengine 5800 Firmwarev200r019c00spc800
HuaweiCloudengine 6800 Firmwarev200r005c10spc800
HuaweiCloudengine 6800 Firmwarev200r005c20spc800
HuaweiCloudengine 6800 Firmwarev200r019c00spc800
HuaweiCloudengine 7800 Firmwarev200r005c10spc800
HuaweiCloudengine 7800 Firmwarev200r019c00spc800

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-37122?
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.
How severe is CVE-2021-37122?
CVE-2021-37122 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.
How do I fix CVE-2021-37122?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-37122?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST