What is CVE-2020-13905?

CVE-2020-13905 is a high-severity vulnerability in Irfanview. CVSS score: 8.8/10. Published 2020-06-10.

How severe is CVE-2020-13905?

High severity. CVSS v3 base score is 8.8 out of 10.

Is CVE-2020-13905 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Irfanview

CVE-2020-13905

IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!GetPlugInInfo+0x0000000000038ed4.

Published 2020-06-10 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.032 (87.8th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 88th percentile — 87.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000

Affected products

Irfanview — versions 4.54

Public proof-of-concept exploits

nhiephon/Research

References

www.irfanview.com/plugins.htm (Vendor Advisory)
github.com/nhiephon/Research/blob/master/README.md (Third Party Advisory)

Frequently asked questions

What is CVE-2020-13905?: CVE-2020-13905 is a high-severity vulnerability in Irfanview. CVSS score: 8.8/10. Published 2020-06-10.
How severe is CVE-2020-13905?: High severity. CVSS v3 base score is 8.8 out of 10.
Is CVE-2020-13905 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.