THREATPORT/VULNERABILITY/CVE-2022-39396
CRITICAL SEVERITY

CVE-2022-39396

Parse Server vulnerability

CVSS
9.8
EPSS
38.7%
EPSS pct
98th
Exploited
No known
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Versions prior to 4.10.18, and prior to 5.3.1 on the 5.X branch, are vulnerable to Remote Code Execution via prototype pollution. An attacker can use this prototype pollution sink to trigger a remote code execution through the MongoDB BSON parser. This issue is patched in version 5.3.1 and in 4.10.18. There are no known workarounds.
Affected vendor
Parseplatform
Affected product
Parse Server
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
2022-11-10

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 38.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2022-39396

  • Confirm whether Parseplatform Parse Server is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2022-39396.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2022-39396

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2022-39396 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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