VDB-251018 · CVE-2023-31582 · EUVD-2023-2687

Oracle Communications Cloud Native Core Network Exposure Function Platform entropy

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.3	$0-$5k	0.00

Summaryinfo

A vulnerability described as critical has been identified in Oracle Communications Cloud Native Core Network Exposure Function 23.3.1. This impacts an unknown function of the component Platform. Such manipulation leads to an unknown weakness. This vulnerability is listed as CVE-2023-31582. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Oracle Communications Cloud Native Core Network Exposure Function 23.3.1 (Cloud Software). It has been rated as critical. Affected by this issue is an unknown code block of the component Platform. Using CWE to declare the problem leads to CWE-331. The product uses an algorithm or scheme that produces insufficient entropy, leaving patterns or clusters of values that are more likely to occur than others. Impacted is integrity.

The weakness was presented 01/16/2024 as Oracle Critical Patch Update Advisory - January 2024. The advisory is available at oracle.com. This vulnerability is handled as CVE-2023-31582. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1600.001 by the MITRE ATT&CK project.

A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2023-2687). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Cloud Software

Vendor

Oracle

Name

Communications Cloud Native Core Network Exposure Function

Version

23.3.1

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.3

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

Exploitinginfo

Class: Entropy
CWE: CWE-331 / CWE-330 / CWE-310
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

04/29/2023 🔍
01/16/2024 +262 days 🔍
01/16/2024 +0 days 🔍
01/17/2024 +1 days 🔍
10/03/2025 +625 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2024
Status: Confirmed

CVE: CVE-2023-31582 (🔍)
GCVE (CVE): GCVE-0-2023-31582
GCVE (VulDB): GCVE-100-251018
EUVD: 🔍

Entryinfo

Created: 01/17/2024 09:09
Updated: 10/03/2025 02:30
Changes: 01/17/2024 09:09 (38), 02/07/2024 17:22 (1), 02/07/2024 17:28 (12), 10/03/2025 02:30 (16)
Complete: 🔍
Cache ID: 216:54A:103

If you want to get best quality of vulnerability data, you may have to visit VulDB.