CVE-2020-23565

Name: CVE-2020-23565
Creator: NVD / NIST
Published: 2021-11-05T17:15:11.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 1.10%

Last modified Jun 17, 2026

CVE-2020-23565 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Irfanview v4.53 allows attackers to execute arbitrary code via a crafted JPEG 2000 file. Related to a "Data from Faulting Address controls Branch Selection starting at JPEG2000!ShowPlugInSaveOptions_W+0x0000000000032850".. EPSS estimates a 1.10% chance of exploitation in the next 30 days.

Description

Irfanview v4.53 allows attackers to execute arbitrary code via a crafted JPEG 2000 file. Related to a "Data from Faulting Address controls Branch Selection starting at JPEG2000!ShowPlugInSaveOptions_W+0x0000000000032850".

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS Probability

1.10%

61.5th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Irfanview	Irfanview	4.53

References

https://github.com/KamasuOri/publicResearch/tree/master/poc/irfanview/3Third Party Advisory
https://github.com/KamasuOri/publicResearch/tree/master/poc/irfanview/3Third Party Advisory

Timeline

Published: Nov 5, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-23565?

How severe is CVE-2020-23565?

CVE-2020-23565 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 1.10% probability of exploitation in the next 30 days.

How do I fix CVE-2020-23565?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-23565?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST