CVE-2018-20033

Flexnet Publisher vulnerability

CVSS

9.8

EPSS

3.7%

EPSS pct

88th

Exploited

No known

A Remote Code Execution vulnerability in lmgrd and vendor daemon components of FlexNet Publisher version 11.16.1.0 and earlier could allow a remote attacker to corrupt the memory by allocating / deallocating memory, loading lmgrd or the vendor daemon and causing the heartbeat between lmgrd and the vendor daemon to stop. This would force the vendor daemon to shut down. No exploit of this vulnerability has been demonstrated.

Affected vendor

Flexera

Affected product

Flexnet Publisher

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

Published

2019-02-25

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 3.7% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 88% of all scored CVEs.

Check your external exposure to CVE-2018-20033

Confirm whether Flexera Flexnet Publisher is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2018-20033.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2018-20033

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2018-20033 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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