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CVE-2021-39999

HIGHCVSS 7.5/10EPSS 0.59%

Last modified

CVE-2021-39999 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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. EPSS estimates a 0.59% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.5/10

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

EPSS Probability
0.59%

43.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
HuaweiEse620x Vess Firmwarev100r001c10spc200
HuaweiEse620x Vess Firmwarev100r001c20spc200

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2021-39999?
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.
How severe is CVE-2021-39999?
CVE-2021-39999 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.59% probability of exploitation in the next 30 days.
How do I fix CVE-2021-39999?
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-2021-39999?

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

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Source: NVD / NIST