THREATPORT/VULNERABILITY/CVE-2020-8884
HIGH SEVERITY

CVE-2020-8884

Insider Threat Management vulnerability

CVSS
8.8
EPSS
4.1%
EPSS pct
90th
Exploited
No known
rcdsvc in the Proofpoint Insider Threat Management Windows Agent (formerly ObserveIT Windows Agent) before 7.9 allows remote authenticated users to execute arbitrary code as SYSTEM because of improper deserialization over named pipes.
Affected vendor
Proofpoint
Affected product
Insider Threat Management
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type (CWE)
  • CWE-502 — Deserialization of Untrusted Data
Published
2021-01-06

Risk analysis

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

Its EPSS score of 4.1% 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-2020-8884

  • Confirm whether Proofpoint Insider Threat Management is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2020-8884.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2020-8884

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2020-8884 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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Are you exposed to CVE-2020-8884?

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