THREATPORT/VULNERABILITY/CVE-2020-35133
HIGH SEVERITY

CVE-2020-35133

Irfanview vulnerability

CVSS
7.5
EPSS
4.4%
EPSS pct
90th
Exploited
No known
irfanView 4.56 contains an error processing parsing files of type .pcx. Which leads to out-of-bounds writing at i_view32+0xdb60.
Affected vendor
Irfanview
Affected product
Irfanview
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness type (CWE)
  • CWE-434 — Unrestricted Upload of File with Dangerous Type
Published
2020-12-16

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 4.4% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2020-35133

  • Confirm whether Irfanview Irfanview is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-35133.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-35133

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-35133 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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