Oracle Siebel Engineering Installer / Deployment up to 2.20.5 Siebel Approval Manager input validation

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.
9.7$5k-$25k0.00

Summaryinfo

A vulnerability was found in Oracle Siebel Engineering Installer and Deployment up to 2.20.5 and classified as very critical. Affected by this issue is some unknown functionality of the component Siebel Approval Manager. Such manipulation leads to input validation. This vulnerability is documented as CVE-2019-16943. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in Oracle Siebel Engineering Installer and Deployment up to 2.20.5. Affected by this issue is an unknown code of the component Siebel Approval Manager. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability.

The weakness was released 07/15/2020 as Oracle Critical Patch Update Advisory - July 2020 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2019-16943. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 05/19/2025).

As 0-day the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 236644 (Alibaba Cloud Linux 3 : 0020: pki-core:10.6 (ALINUX3-SA-2021:0020)), 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 vulnerability database at Tenable (236644). Entries connected to this vulnerability are available at VDB-142786, VDB-148899, VDB-148897 and VDB-153300. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.7

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 9.8
Vendor Vector (Oracle): 🔍

NVD Base Score: 9.8
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: Input validation
CWE: CWE-20
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: 236644
Nessus Name: Alibaba Cloud Linux 3 : 0020: pki-core:10.6 (ALINUX3-SA-2021:0020)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

09/29/2019 🔍
07/15/2020 +290 days 🔍
07/15/2020 +0 days 🔍
07/16/2020 +1 days 🔍
05/19/2025 +1768 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - July 2020
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2019-16943 (🔍)
GCVE (CVE): GCVE-0-2019-16943
GCVE (VulDB): GCVE-100-158456
See also: 🔍

Entryinfo

Created: 07/16/2020 09:28
Updated: 05/19/2025 05:40
Changes: 07/16/2020 09:28 (67), 11/02/2020 13:35 (3), 05/19/2025 05:40 (20)
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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