What is CVE-2020-23549?

CVE-2020-23549 is a high-severity vulnerability in Irfanview. CVSS score: 7.8/10. Published 2021-10-28.

How severe is CVE-2020-23549?

High severity. CVSS v3 base score is 7.8 out of 10.

Is CVE-2020-23549 known to be exploited?

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

Vulnerability in Irfanview

CVE-2020-23549

IrfanView 4.54 allows attackers to cause a denial of service or possibly other unspecified impacts via a crafted .cr2 file, related to a "Data from Faulting Address controls Branch Selection starting at FORMATS!GetPlugInInfo+0x00000000000047f6".

EPSS: 0.009 (57.3th percentile) — read the EPSS interpretation.

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.

Affected products

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

Public proof-of-concept exploits

nhiephon/Research

References

cve@mitre.org (x_refsource_MISC, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-23549?: CVE-2020-23549 is a high-severity vulnerability in Irfanview. CVSS score: 7.8/10. Published 2021-10-28.
How severe is CVE-2020-23549?: High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2020-23549 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.