Buffer overflow in Softmaker Planmaker 2021

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. 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).

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (69.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-27249: held from 0.012 to 0.012.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

  • Softmaker Planmaker 2021 — versions 1014
  • Softmaker — versions SoftMaker Software GmbH SoftMaker Office PlanMaker 2021 (Revision 1014)

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-27249?
CVE-2020-27249 is a high-severity vulnerability in Softmaker Planmaker 2021, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-02-04.
How severe is CVE-2020-27249?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-27249 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.