What is CVE-2022-2781?

CVE-2022-2781 is a medium-severity vulnerability in Octopus Server, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2022-10-06.

How severe is CVE-2022-2781?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Octopus Server

CVE-2022-2781

In affected versions of Octopus Server it was identified that the same encryption process was used for both encrypting session cookies and variables.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2022-10-06 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.002 (9.1th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Octopus Server
Octopus Deploy Server — versions 3.2.10, unspecified, 2022.2.6729

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

advisories.octopus.com/post/2022/sa2022-16/ (Vendor Advisory)

Frequently asked questions

What is CVE-2022-2781?: CVE-2022-2781 is a medium-severity vulnerability in Octopus Server, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.3/10. Published 2022-10-06.
How severe is CVE-2022-2781?: Medium severity. CVSS v3 base score is 5.3 out of 10.