Deserialization Vulnerability in Halibut by Octopus Deploy
CVE-2021-31819

9.8CRITICAL

Key Information:

Vendor

Octopus Deploy

Status
Halibut
Vendor
CVE Published:
22 September 2021

What is CVE-2021-31819?

In Halibut versions prior to 4.4.7, an insecure deserialization flaw exists that may enable remote code execution in environments where systems trust each other through certificate verification. This vulnerability can be exploited if an attacker manages to deserializes untrusted data, potentially allowing them to execute arbitrary code on a trusted system.

Affected Version(s)

Halibut < 4.4.7

References

https://advisories.octopus.com/adv/2021-08---Remote-Code-...
x_refsource_MISC

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.