CVE-2022-3596

Instack-undercloud: rsync leaks information to undercloud

7.5 HighFix available

An information leak was found in OpenStack's undercloud. This flaw allows unauthenticated, remote attackers to inspect sensitive data after discovering the IP address of the undercloud, possibly leading to compromising private information, including administrator access credentials.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

1.11%Up 1.1 points since Sep 22, 2023

What each source reports

CVE List Score used 7.5

Instack-undercloud: rsync leaks information to undercloud

Record: CVE-2022-3596
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-402
Updated: 2026-11-02

EUVDEUVD-2022-42960 7.5

Record: EUVD-2022-42960
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-03

GitHub AdvisoriesGHSA-788f-3f4f-vv6f 8.6

An information leak was found in OpenStack's undercloud. This flaw allows unauthenticated, remote...

Record: GHSA-788f-3f4f-vv6f
CVSS 3.1: 8.6 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Weakness: CWE-402
Updated: 2026-11-02

NVD 7.5

Record: CVE-2022-3596
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-402
Updated: 2026-11-02

OSVRHSA-2022:8897 7.5

Red Hat Security Advisory: Red Hat OpenStack Platform 13.0 (instack-undercloud) security update

Record: RHSA-2022:8897
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`instack-undercloud` Red Hat:openstack:13::el7	before 0:8.4.9-13.el7ost	0:8.4.9-13.el7ost

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2022-3596 is a high vulnerability (CVSS 7.5) in Red Hat Openstack Platform 13.0 (queens) For Rhel 7.6 Eus, published September 20, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 65th percentile. Fixed in instack-undercloud 0:8.4.9-13.el7ost.