VulnerabilityAnalyzed

CVE-2022-4986

Hirschmann EagleSDV version 05.4.01 prior to 05.4.02 contains a denial-of-service vulnerability that causes the device to crash during session establishment when using TLS 1.0 or TLS 1.1.

HIGH 8.7EPSS 0.44%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.44%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Hirschmann EagleSDV version 05.4.01 prior to 05.4.02 contains a denial-of-service vulnerability that causes the device to crash during session establishment when using TLS 1.0 or TLS 1.1. Attackers can trigger a crash by initiating TLS connections with these protocol versions to disrupt service availability.

CVSS 4.0: 8.7 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
EPSS: 0.44% probability · 37th percentile
CISA KEV: Not listed
Weakness: CWE-400
Affected: beldan/eaglesdv firmware
Source: disclosure@vulncheck.com

References

https://assets.belden.com/m/1c8fe5d916567af6/original/Belden_Security_Bulletin_BSECV-2022-08.pdfThird Party Advisory
https://www.vulncheck.com/advisories/hirschmann-eaglesdv-denial-of-service-via-tlsThird Party Advisory

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