Oracle Database 19c/21c Fleet Patching denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Oracle Database 19c/21c. This affects an unknown part of the component Fleet Patching. The manipulation leads to denial of service. This vulnerability is uniquely identified as CVE-2020-36518. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Oracle Database 19c/21c (Database Software). This issue affects some unknown functionality of the component Fleet Patching. 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.

The weakness was disclosed 10/19/2022 as Oracle Critical Patch Update Advisory - October 2022. It is possible to read the advisory at oracle.com. The identification of this vulnerability is 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.

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

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.8

VulDB Base Score: 6.5
VulDB Temp Score: 6.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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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: 🔍

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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: no mitigation known
Status: 🔍

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

Timelineinfo

03/11/2022 🔍
10/19/2022 +221 days 🔍
10/19/2022 +0 days 🔍
10/19/2022 +0 days 🔍
03/20/2026 +1248 days 🔍

Sourcesinfo

Vendor: oracle.com

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

CVE: CVE-2020-36518 (🔍)
GCVE (CVE): GCVE-0-2020-36518
GCVE (VulDB): GCVE-100-211367
EUVD: 🔍

Entryinfo

Created: 10/19/2022 08:29
Updated: 03/20/2026 18:49
Changes: 10/19/2022 08:29 (39), 11/10/2022 11:56 (2), 11/10/2022 12:03 (18), 06/26/2025 08:42 (16), 08/28/2025 05:26 (1), 03/20/2026 18:49 (1)
Complete: 🔍
Cache ID: 216:FE0:103

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

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