THREATPORT/VULNERABILITY/CVE-2016-4335
HIGH SEVERITY

CVE-2016-4335

Perceptive Document Filters vulnerability

CVSS
8.4
EPSS
3.8%
EPSS pct
89th
Exploited
No known
An exploitable buffer overflow exists in the XLS parsing of the Lexmark Perspective Document Filters conversion functionality. A crafted XLS document can lead to a stack based buffer overflow resulting in remote code execution.
Affected vendor
Lexmark
Affected product
Perceptive Document Filters
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2017-01-06

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, 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 3.8% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 89% of all scored CVEs.

Check your external exposure to CVE-2016-4335

  • Confirm whether Lexmark Perceptive Document Filters is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2016-4335.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-4335

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-4335 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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