|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.
A vulnerability was found in Union Pay up to 1.2.0. It has been rated as critical. This issue affects an unknown part of the component Shopping Handler. The manipulation with an unknown input leads to a weak authentication vulnerability. Using CWE to declare the problem leads to CWE-347. Impacted is confidentiality, integrity, and availability. The summary by CVE is:
Union Pay up to 1.2.0, for web based versions contains a CWE-347: Improper Verification of Cryptographic Signature vulnerability, allows attackers to shop for free in merchants' websites and mobile apps, via a crafted authentication code (MAC) which is generated based on a secret key which is NULL.
The weakness was released 04/07/2021. It is possible to read the advisory at dropbox.com. The identification of this vulnerability is CVE-2020-23533 since 08/13/2020. The exploitation is known to be easy. The attack needs to be done within the local network. A simple authentication is necessary for exploitation. Technical details are unknown but a public exploit is available.
It is declared as proof-of-concept. The exploit is available at dropbox.com.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
CVSSv3VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.2
VulDB Base Score: 5.5
VulDB Temp Score: 5.2
VulDB Vector: 🔒
VulDB Reliability: 🔍
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
ExploitingClass: Weak authentication
Price Prediction: 🔍
Current Price Estimation: 🔒
Threat IntelligenceThreat: 🔍
CountermeasuresRecommended: no mitigation known
0-Day Time: 🔒
Timeline08/13/2020 CVE assigned
04/07/2021 +237 days Advisory disclosed
04/07/2021 +0 days VulDB entry created
04/10/2021 +3 days VulDB last update
Status: Not defined
CVE: CVE-2020-23533 (🔒)
scip Labs: https://www.scip.ch/en/?labs.20161013
EntryCreated: 04/07/2021 07:33 AM
Updated: 04/10/2021 09:53 PM
Changes: (2) source_cve_assigned source_cve_nvd_summary
Interested in the pricing of exploits?
See the underground prices here!