THREATPORT/VULNERABILITY/CVE-2020-6112
HIGH SEVERITY

CVE-2020-6112

Nitro Pro vulnerability

CVSS
7.8
EPSS
17.1%
EPSS pct
97th
Exploited
No known
An exploitable code execution vulnerability exists in the JPEG2000 Stripe Decoding functionality of Nitro Software, Inc.’s Nitro Pro 13.13.2.242 when decoding sub-samples. While initializing tiles with sub-sample data, the application can miscalculate a pointer for the stripes in the tile which allow for the decoder to write out of-bounds and cause memory corruption. This can result in code execution. A specially crafted image can be embedded inside a PDF and loaded by a victim in order to trigger this vulnerability.
Affected vendor
Gonitro
Affected product
Nitro Pro
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness type (CWE)
Published
2020-09-17

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable with local access, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 17.1% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2020-6112

  • Confirm whether Gonitro Nitro Pro is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-6112.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-6112

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-6112 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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