SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-3946

InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

HIGH 7.5EPSS 1.04%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

InstallBuilder AutoUpdate tool and regular installers enabling <checkForUpdates> built with versions earlier than 19.11 are vulnerable to Billion laughs attack (denial-of-service).

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
1.04% probability · 62th percentile
CISA KEV
Not listed
Weakness
CWE-776
Affected
vmware/installbuilder
Source
security@vmware.com

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