IBM WebSphere Application Server Liberty up to 20.0.0.9 oAuth/openidConnectServer denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.2$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in IBM WebSphere Application Server Liberty up to 20.0.0.9. The affected element is an unknown function of the component oAuth/openidConnectServer. Such manipulation leads to denial of service. This vulnerability is traded as CVE-2020-4590. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in IBM WebSphere Application Server Liberty up to 20.0.0.9 (Application Server Software). It has been rated as problematic. Affected by this issue is an unknown code block of the component oAuth/openidConnectServer. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

IBM WebSphere Application Server Liberty 17.0.0.3 through 20.0.0.9 running oauth-2.0 or openidConnectServer-1.0 server features is vulnerable to a denial of service attack conducted by an authenticated client. IBM X-Force ID: 184650.

The weakness was shared 09/21/2020 (Website). The advisory is shared for download at ibm.com. This vulnerability is handled as CVE-2020-4590 since 12/30/2019. The exploitation is known to be difficult. The attack may be launched remotely. The requirement 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 $0-$5k (estimation calculated on 09/22/2020). The MITRE ATT&CK project declares the attack technique as T1499.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.2

VulDB Base Score: 3.1
VulDB Temp Score: 3.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Denial of service
CWE: CWE-404
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 🔍
09/21/2020 +266 days 🔍
09/22/2020 +1 days 🔍
09/22/2020 +0 days 🔍

Sourcesinfo

Vendor: ibm.com

Advisory: ibm.com
Status: Not defined

CVE: CVE-2020-4590 (🔍)
GCVE (CVE): GCVE-0-2020-4590
GCVE (VulDB): GCVE-100-161684

Entryinfo

Created: 09/22/2020 06:49
Updated: 09/22/2020 06:54
Changes: 09/22/2020 06:49 (37), 09/22/2020 06:54 (12)
Complete: 🔍
Cache ID: 216::103

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