2021-20560 | IBM Sterling Connect Direct Browser User Interface improper restriction of rendered ui layers (XFDB-199229)

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.
5.3	$0-$5k	0.73

A vulnerability, which was classified as problematic, was found in IBM Sterling Connect 1.4.1.1/1.5.0.2 (Business Process Management Software). Affected is an unknown code of the component Direct Browser User Interface. The manipulation with an unknown input leads to a privilege escalation vulnerability. CWE is classifying the issue as CWE-269. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

IBM Sterling Connect:Direct Browser User Interface 1.4.1.1 and 1.5.0.2 could allow a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this vulnerability to hijack the victim’s click actions and possibly launch further attacks against the victim. IBM X-Force ID: 199229.

The weakness was disclosed 07/26/2021. The advisory is shared for download at ibm.com. This vulnerability is traded as CVE-2021-20560 since 12/17/2020. The exploitability is told to be easy. It is possible to launch the attack remotely. A authentication is needed for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/28/2021). It is expected to see the exploit prices for this product increasing in the near future.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (199229).

Type

Vendor

Name

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.5
VulDB Temp Score: 5.3
VulDB Vector: 🔒
VulDB Reliability: 🔍

AV	AC	Au	C	I	A
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍
🔍	🔍	🔍	🔍	🔍	🔍

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock
unlock	unlock	unlock	unlock	unlock	unlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Privilege escalation
CWE: CWE-1021
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: ibm.com

12/17/2020 CVE assigned
07/26/2021 +220 days Advisory disclosed
07/26/2021 +0 days VulDB entry created
07/28/2021 +2 days VulDB last updateVendor: https://www.ibm.com/

Advisory: ibm.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2021-20560 (🔒)
X-Force: 199229

Created: 07/26/2021 18:28
Updated: 07/28/2021 18:28
Changes: (1) source_cve_cna
Complete: 🔍

Comments

Use the official API to access entries easily!