7.8
CWE
120 119
Advisory Published
Updated

CVE-2021-39999: Buffer Overflow

First published: Mon Jul 11 2022(Updated: )

There is a buffer overflow vulnerability in eSE620X vESS V100R001C10SPC200 and V100R001C20SPC200. An attacker can exploit this vulnerability by sending a specific message to the target device due to insufficient validation of packets. Successful exploit could cause a denial of service condition.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
Huawei Ese620x Vess Firmware=v100r001c10spc200
Huawei Ese620x Vess Firmware=v100r001c20spc200
Huawei Ese620x Vess

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Frequently Asked Questions

  • What is the vulnerability ID?

    The vulnerability ID is CVE-2021-39999.

  • What is the severity of CVE-2021-39999?

    The severity of CVE-2021-39999 is high with a CVSS score of 7.5.

  • Which software versions are affected by CVE-2021-39999?

    The software versions affected by CVE-2021-39999 are Huawei Ese620x Vess Firmware v100r001c10spc200 and v100r001c20spc200.

  • How can the vulnerability CVE-2021-39999 be exploited?

    The vulnerability CVE-2021-39999 can be exploited by sending a specific message to the target device due to insufficient validation of packets.

  • What is the impact of a successful exploit of CVE-2021-39999?

    A successful exploit of CVE-2021-39999 could cause a denial of service condition.

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