VDB-173378 · CVE-2020-17521 · WID-SEC-2025-2370

Oracle Communications Services Gatekeeper 6.0/6.1/7.0 PRM information disclosure

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.
5.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Oracle Communications Services Gatekeeper 6.0/6.1/7.0. The impacted element is an unknown function of the component PRM. Such manipulation leads to information disclosure. This vulnerability is listed as CVE-2020-17521. The attack must be carried out locally. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle Communications Services Gatekeeper 6.0/6.1/7.0 (Cloud Software). Affected by this issue is some unknown functionality of the component PRM. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality.

The weakness was presented 04/21/2021 as Oracle Critical Patch Update Advisory - April 2021. The advisory is available at oracle.com. This vulnerability is handled as CVE-2020-17521. The technical details are unknown and an exploit is not available. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

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

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2370). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Affected

Oracle Systems

Productinfo

Type

Cloud Software

Vendor

Oracle

Name

Communications Services Gatekeeper

Version

License

commercial

Website

Vendor: https://www.oracle.com

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

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: Upgrade
Status: 🔍

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

Timelineinfo

08/12/2020 🔍
04/21/2021 +252 days 🔍
04/21/2021 +0 days 🔍
04/23/2021 +2 days 🔍
10/23/2025 +1644 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - April 2021
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-17521 (🔍)
GCVE (CVE): GCVE-0-2020-17521
GCVE (VulDB): GCVE-100-173378
CERT Bund: WID-SEC-2025-2370 - Oracle Systems: Mehrere Schwachstellen

Entryinfo

Created: 04/23/2021 06:39
Updated: 10/23/2025 10:03
Changes: 04/23/2021 06:39 (40), 04/24/2021 14:49 (6), 04/24/2021 14:50 (16), 10/23/2025 10:03 (22)
Complete: 🔍
Cache ID: 216::103

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