Oracle Database Server 21c Oracle Database - Machine Learning for Python denial of service

CVSS Meta Temp Score
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Current Exploit Price (≈)
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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 Server 21c. The affected element is an unknown function of the component Oracle Database - Machine Learning for Python. This manipulation causes denial of service. This vulnerability is handled as CVE-2021-3737. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability classified as critical was found in Oracle Database Server 21c (Database Software). Affected by this vulnerability is some unknown functionality of the component Oracle Database - Machine Learning for Python. 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 01/17/2023 as Oracle Critical Patch Update Advisory - January 2023. The advisory is shared at oracle.com. This vulnerability is known as CVE-2021-3737. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

The vulnerability scanner Nessus provides a plugin with the ID 211850 (Debian dla-3966 : pypy3 - security update), 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 (211850) and CERT Bund (WID-SEC-2022-0011). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • F5 F5OS
  • Open Source Python
  • Debian Linux
  • Amazon Linux 2
  • Red Hat Enterprise Linux
  • Ubuntu Linux
  • Oracle Linux
  • Avaya Aura Communication Manager
  • Avaya Aura Session Manager
  • Avaya Aura Application Enablement Services
  • Avaya Aura Device Services
  • Avaya Aura System Manager
  • Avaya Aura Experience Portal
  • IBM QRadar SIEM
  • F5 BIG-IP

Productinfo

Type

Vendor

Name

Version

License

Website

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

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

0-DayUnlockUnlockUnlockUnlock
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Nessus ID: 211850
Nessus Name: Debian dla-3966 : pypy3 - security update

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

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

Patch: github.com

Timelineinfo

08/26/2021 🔍
01/17/2023 +509 days 🔍
01/17/2023 +0 days 🔍
01/18/2023 +1 days 🔍
02/07/2026 +1116 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - January 2023
Status: Confirmed

CVE: CVE-2021-3737 (🔍)
GCVE (CVE): GCVE-0-2021-3737
GCVE (VulDB): GCVE-100-218521
CERT Bund: WID-SEC-2022-0011 - Python: Mehrere Schwachstellen

Entryinfo

Created: 01/18/2023 07:27
Updated: 02/07/2026 19:46
Changes: 01/18/2023 07:27 (39), 02/09/2023 16:30 (3), 02/09/2023 16:38 (18), 11/26/2024 18:30 (17), 11/04/2025 12:38 (1), 02/07/2026 19:46 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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