THREATPORT/VULNERABILITY/CVE-2021-43272
CRITICAL SEVERITY

CVE-2021-43272

Oda Viewer vulnerability

CVSS
9.8
EPSS
3.5%
EPSS pct
88th
Exploited
No known
An improper handling of exceptional conditions vulnerability exists in Open Design Alliance ODA Viewer sample before 2022.11. ODA Viewer continues to process invalid or malicious DWF files instead of stopping upon an exception. An attacker can leverage this vulnerability to execute code in the context of the current process.
Affected vendor
Opendesign
Affected product
Oda Viewer
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2021-11-14

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 confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 3.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2021-43272

  • Confirm whether Opendesign Oda Viewer is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2021-43272.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-43272

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2021-43272 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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