Vulnerability in Irfanview

CVE-2020-23561

IrfanView 4.54 allows a user-mode write access violation starting at FORMATS!ShowPlugInSaveOptions_W+0x0000000000005722.

EPSS: 0.003 (25.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

  • Irfanview — versions 4.54
  • N/a — versions n/a

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-23561?
CVE-2020-23561 is a medium-severity vulnerability in Irfanview. CVSS score: 5.5/10. Published 2022-07-18.
How severe is CVE-2020-23561?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2020-23561 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.