Oracle Database up to 19.1 Oracle Application Express denial of service
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 4.5 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Oracle Database up to 19.1. Affected by this vulnerability is an unknown functionality of the component Oracle Application Express. Such manipulation leads to denial of service. This vulnerability is documented as CVE-2020-2514. The attack can be executed remotely. There is not any exploit available. The affected component should be upgraded.
Details
A vulnerability was found in Oracle Database up to 19.1 (Database Software). It has been rated as critical. Affected by this issue is an unknown part of the component Oracle Application Express. 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 integrity, and availability. CVE summarizes:
Vulnerability in the Oracle Application Express component of Oracle Database Server. The supported version that is affected is Prior to 19.2. Easily exploitable vulnerability allows low privileged attacker having End User Role privilege with network access via HTTPS to compromise Oracle Application Express. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized update, insert or delete access to some of Oracle Application Express accessible data and unauthorized ability to cause a partial denial of service (partial DOS) of Oracle Application Express. CVSS 3.0 Base Score 4.6 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:L).
The weakness was released 04/15/2020 as Oracle Critical Patch Update Advisory - April 2020 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2020-2514. The attack may be launched remotely. A simple authentication is necessary for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.
Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
Entries connected to this vulnerability are available at VDB-153686, VDB-153290, VDB-153291 and VDB-153293. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.oracle.com
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 4.6VulDB Meta Temp Score: 4.5
VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍
Vendor Base Score (Oracle): 4.6
Vendor Vector (Oracle): 🔍
NVD Base Score: 4.6
NVD Vector: 🔍
CNA Base Score: 4.6
CNA Vector (Oracle): 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Denial of serviceCWE: 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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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
12/10/2019 🔍04/15/2020 🔍
04/15/2020 🔍
04/15/2020 🔍
05/08/2025 🔍
Sources
Vendor: oracle.comAdvisory: Oracle Critical Patch Update Advisory - April 2020
Status: Confirmed
CVE: CVE-2020-2514 (🔍)
GCVE (CVE): GCVE-0-2020-2514
GCVE (VulDB): GCVE-100-153296
See also: 🔍
Entry
Created: 04/15/2020 12:41Updated: 05/08/2025 11:36
Changes: 04/15/2020 12:41 (70), 05/20/2024 08:40 (18), 05/20/2024 08:42 (10), 05/08/2025 11:36 (3)
Complete: 🔍
Cache ID: 216::103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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