CVE-2021-31819

Critical

Description

In Halibut versions prior to 4.4.7 there is a deserialisation vulnerability that could allow remote code execution on systems that already trust each other based on certificate verification.

SeverityCritical
CVSS9.8
Exploit probability—
ProductOctopus Halibut
PublishedSep 22, 2021
First seenSep 22, 2021

How to fix

Update
  • octopus halibut4.4.7 or later
  • Halibut4.4.7 or later

Affected products

ProductAffected versionsFixed in
octopus halibutv < 4.4.74.4.7
HalibutNuGetv < 4.4.74.4.7

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.