CVE-2022-30557

Pdf Editor vulnerability

CVSS

7.5

EPSS

4.2%

EPSS pct

90th

Exploited

No known

Foxit PDF Reader and PDF Editor before 11.2.2 have a Type Confusion issue that causes a crash because of Unsigned32 mishandling during JavaScript execution.

Affected vendor

Foxit

Affected product

Pdf Editor

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-843 — Type Confusion

Published

2022-05-11

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 4.2% 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-2022-30557

Confirm whether Foxit Pdf Editor is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2022-30557.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-30557

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-30557 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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