CyberSecBulletin
CVE-2022-22476NVD status: Modified

WebSphere Application Server Liberty: Authentication Bypass by Spoofing

CVE-2022-22476 is a high-severity authentication bypass by spoofing vulnerability in WebSphere Application Server Liberty from IBM, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected WebSphere Application Server Liberty versions: 17.0.0.3; 22.0.0.7. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.75% chance of exploitation within 30 days, higher than 56% of scored CVEs.

Next patch cycle

High severity with no evidence of exploitation so far.

What to do

  1. Update Open Liberty to 22.0.0.8 or a later version.
  2. Update Websphere Application Server to 22.0.0.8 or a later version.
  3. Read the advisory on exchange.xforce.ibmcloud.com for workarounds and exact fixed builds.

Affected products and versions

VendorProductAffected versionsFixed in
IBMWebSphere Application Server Liberty17.0.0.3; 22.0.0.7Not stated
IBMOpen Liberty17.0.0.3 up to, but not including, 22.0.0.822.0.0.8
IBMWebsphere Application Server17.0.0.3 up to, but not including, 22.0.0.822.0.0.8

Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.

How the severity score breaks down

Attack vector
NetworkCan be exploited remotely over a network, including the internet.
Attack complexity
LowNo special conditions are needed; the attack works reliably.
Privileges required
LowA basic user account is enough.
User interaction
NoneNo action by a victim is required.
Scope
UnchangedImpact stays within the vulnerable component.
Confidentiality
HighAll data handled by the component can be read.
Integrity
HighData or code can be modified at will.
Availability
HighThe component can be taken down completely.

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.

Scoring systemScoreSeverityScored by
CVSS 3.18.8HighNVD
CVSS 3.05.0MediumCNA (us.ibm.com)
CVSS 2.06.0MediumNVD

Official description

IBM WebSphere Application Server Liberty 17.0.0.3 through 22.0.0.7 and Open Liberty are vulnerable to identity spoofing by an authenticated user using a specially crafted request. IBM X-Force ID: 225604.

Source: the CVE record as published by its numbering authority, via NVD and CVE.org.

The underlying weakness: Authentication Bypass by Spoofing

This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.

More Authentication Bypass by Spoofing vulnerabilities (CWE-290)

Timeline

  1. CVE record published.
  2. Record last changed materially (score, affected products, status or references).

References

Other vulnerabilities in WebSphere Application Server Liberty

All WebSphere Application Server Liberty vulnerabilities

Recent Authentication Bypass by Spoofing vulnerabilities

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