What is CVE-2020-35133?

CVE-2020-35133 is a high-severity vulnerability in Irfanview, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2020-12-16.

How severe is CVE-2020-35133?

High severity. CVSS v3 base score is 7.5 out of 10.

Arbitrary file upload in Irfanview

CVE-2020-35133

irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.

Vulnerability class: Unrestricted File Upload

EPSS: 0.044 (90.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Irfanview — versions 4.56
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

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

Frequently asked questions

What is CVE-2020-35133?: CVE-2020-35133 is a high-severity vulnerability in Irfanview, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2020-12-16.
How severe is CVE-2020-35133?: High severity. CVSS v3 base score is 7.5 out of 10.