SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityModified

CVE-2020-27249

A specially crafted document can cause the document parser to copy data from a particular record type into a static-sized buffer within an object that is smaller than the size used for the copy, which will cause a heap-based buffer overflow.

HIGH 7.8EPSS 1.25%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.25%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

A specially crafted document can cause the document parser to copy data from a particular record type into a static-sized buffer within an object that is smaller than the size used for the copy, which will cause a heap-based buffer overflow. In version/Instance 0x0004 and 0x0015, an attacker can entice the victim to open a document to trigger this vulnerability. This affects SoftMaker Software GmbH SoftMaker Office PlanMaker 2021 (Revision 1014).

CVSS 3.1
7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
1.25% probability · 68th percentile
CISA KEV
Not listed
Weakness
CWE-122, CWE-787
Affected
softmaker/planmaker 2021
Source
talos-cna@cisco.com

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