IBM WebSphere Application Liberty up to 20.0.0.4 openidconnect authentication spoofing

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.0$5k-$25k0.00

Summaryinfo

A vulnerability was found in IBM WebSphere Application Liberty up to 20.0.0.4. It has been declared as critical. The impacted element is an unknown function of the component openidconnect Handler. Such manipulation leads to authentication spoofing. This vulnerability is uniquely identified as CVE-2020-4421. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in IBM WebSphere Application Liberty up to 20.0.0.4 (Application Server Software) and classified as critical. Affected by this issue is some unknown processing of the component openidconnect Handler. The manipulation with an unknown input leads to a authentication spoofing vulnerability. Using CWE to declare the problem leads to CWE-290. This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. Impacted is confidentiality, integrity, and availability. CVE summarizes:

IBM WebSphere Application Liberty 19.0.0.5 through 20.0.0.4 could allow an authenticated user using openidconnect to spoof another users identify. IBM X-Force ID: 180084.

The weakness was disclosed 05/06/2020 (Website). The advisory is shared for download at exchange.xforce.ibmcloud.com. This vulnerability is handled as CVE-2020-4421 since 12/30/2019. The exploitation is known to be difficult. The attack may be launched remotely. Required for exploitation is a simple authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/07/2020).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 5.0

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Authentication spoofing
CWE: CWE-290 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2019 🔍
05/06/2020 +128 days 🔍
05/07/2020 +1 days 🔍
10/15/2020 +161 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: exchange.xforce.ibmcloud.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-4421 (🔍)
GCVE (CVE): GCVE-0-2020-4421
GCVE (VulDB): GCVE-100-154832
X-Force: 180084

Entryinfo

Created: 05/07/2020 08:12
Updated: 10/15/2020 18:40
Changes: 05/07/2020 08:12 (38), 05/07/2020 08:17 (12), 10/15/2020 18:34 (1), 10/15/2020 18:40 (1)
Complete: 🔍
Cache ID: 216::103

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