Oracle Communications Cloud Native Core Network Repository Function NRF denial of service

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-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Oracle Communications Cloud Native Core Network Repository Function 22.1.2/22.2.0. Affected by this issue is some unknown functionality of the component NRF. This manipulation causes denial of service. This vulnerability is handled as CVE-2020-36518. The attack can be initiated remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Communications Cloud Native Core Network Repository Function 22.1.2/22.2.0 (Cloud Software). It has been declared as critical. Affected by this vulnerability is an unknown code of the component NRF. The manipulation with an unknown input leads to a denial of service vulnerability. The CWE definition for the vulnerability is CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. As an impact it is known to affect availability.

The weakness was released 07/19/2022 as Oracle Critical Patch Update Advisory - July 2022. It is possible to read the advisory at oracle.com. This vulnerability is known as CVE-2020-36518. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 240509 (RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.3.14 Security update (Important) (RHSA-2025:9583)), which helps to determine the existence of the flaw in a target environment.

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

The vulnerability is also documented in the databases at Tenable (240509) and EUVD (EUVD-2022-1319). Be aware that VulDB is the high quality 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: 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

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 240509
Nessus Name: RHEL 7 : Red Hat JBoss Enterprise Application Platform 7.3.14 Security update (Important) (RHSA-2025:9583)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

03/11/2022 🔍
07/19/2022 +129 days 🔍
07/19/2022 +0 days 🔍
07/20/2022 +1 days 🔍
03/18/2026 +1337 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2022
Status: Confirmed

CVE: CVE-2020-36518 (🔍)
GCVE (CVE): GCVE-0-2020-36518
GCVE (VulDB): GCVE-100-204271
EUVD: 🔍

Entryinfo

Created: 07/20/2022 08:16
Updated: 03/18/2026 18:39
Changes: 07/20/2022 08:16 (40), 08/07/2022 14:13 (2), 08/07/2022 14:17 (17), 06/26/2025 08:12 (16), 08/28/2025 01:46 (1), 03/18/2026 18:39 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!