VulnerabilityModified

CVE-2021-22292

There is a denial of service (DoS) vulnerability in eCNS280 versions V100R005C00, V100R005C10.

HIGH 7.5EPSS 0.90%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.90%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

There is a denial of service (DoS) vulnerability in eCNS280 versions V100R005C00, V100R005C10. Due to a design defect, remote unauthorized attackers send a large number of specific messages to affected devices, causing system resource exhaustion and web application DoS.

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 0.90% probability · 58th percentile
CISA KEV: Not listed
Affected: huawei/ecns280 firmware
Source: psirt@huawei.com

References

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210113-02-dos-enVendor Advisory
https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20210113-02-dos-enVendor Advisory

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.