CVE-2022-1655Network attack vector

Session-data exposure or alteration via missing HttpOnly flag

Published Jul 22, 2022 · Updated Aug 3, 2024

Incorrect cookie permissions in Red Hat OpenStack Platform 16.2 allow remote attackers to expose or alter Horizon session data. Horizon creates session cookies without the HttpOnly attribute even when HorizonSecureCookies is enabled in the deployment environment. Exploitation requires access to a browser context holding a Horizon session cookie, enabling script access to the cookie and bounded confidentiality or integrity loss.

CVSS severity6.5
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Incorrect cookie permissions in Red Hat OpenStack Platform 16.2 allow remote attackers to expose or alter Horizon session data. Horizon creates session cookies without the HttpOnly attribute even when HorizonSecureCookies is enabled in the deployment environment. Exploitation requires access to a browser context holding a Horizon session cookie, enabling script access to the cookie and bounded confidentiality or integrity loss.

The record

CVE
CVE-2022-1655
Published
Jul 22, 2022
Updated
Aug 3, 2024
Vendor
Red Hat
Product
Red Hat OpenStack Platform
Classifications
CWE-732, T1539
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 22, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=OpenStack 16.2

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Red Hat · Red Hat OpenStack Platformversion=OpenStack 16.2

Published CVSS scores

6.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-732Incorrect Permission Assignment for Critical Resource
T1539Steal Web Session Cookie

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo