IBM WebSphere Application Server 8.5/9.0 TLS Configuration risky encryption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as problematic, has been found in IBM WebSphere Application Server 8.5/9.0. This issue affects an unknown part of the component TLS Configuration Handler. The manipulation with an unknown input leads to a risky encryption vulnerability. Using CWE to declare the problem leads to CWE-327. The product uses a broken or risky cryptographic algorithm or protocol. Impacted is confidentiality. The summary by CVE is:

IBM WebSphere Application Server 8.5 and 9.0 could provide weaker than expected security for outbound TLS connections caused by a failure to honor user configuration. IBM X-Force ID: 274812.

It is possible to read the advisory at The identification of this vulnerability is CVE-2023-50313 since 12/07/2023. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 04/02/2024). The attack technique deployed by this issue is T1600 according to MITRE ATT&CK.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (274812).







CPE 2.3info

CPE 2.2info


VulDB CVSS-B Score: 🔒
VulDB CVSS-BT Score: 🔒
VulDB Vector: 🔒
VulDB Reliability: 🔍


VulDB Meta Base Score: 4.5
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (IBM Corporation): 🔒



VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍


Class: Risky encryption
CWE: CWE-327 / CWE-310
ATT&CK: T1600

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒


Threat Intelligenceinfo

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


Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒


12/07/2023 CVE reserved
04/02/2024 +116 days Advisory disclosed
04/02/2024 +0 days VulDB entry created
04/02/2024 +0 days VulDB entry last update



Status: Confirmed

CVE: CVE-2023-50313 (🔒)
X-Force: 274812


Created: 04/02/2024 03:29 PM
Changes: 04/02/2024 03:29 PM (65)
Complete: 🔍


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