Facebook Messenger on iOS/Android URL clickjacking

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.
6.1$5k-$25k1.68

Summaryinfo

A vulnerability was found in Facebook Messenger on iOS/Android. It has been declared as problematic. This vulnerability affects unknown code of the component URL Handler. The manipulation results in clickjacking. This vulnerability is identified as CVE-2020-20093. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Facebook Messenger on iOS/Android (Messaging Software) (version now known). Affected is some unknown processing of the component URL Handler. The manipulation with an unknown input leads to a clickjacking vulnerability. CWE is classifying the issue as CWE-451. The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks. This is going to have an impact on confidentiality, integrity, and availability.

The weakness was released 03/24/2022. The advisory is available at github.com. This vulnerability is traded as CVE-2020-20093 since 08/13/2020. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 03/24/2022). This vulnerability is assigned to T1566.003 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Clickjacking
CWE: CWE-451
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 Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/13/2020 🔍
03/24/2022 +588 days 🔍
03/24/2022 +0 days 🔍
03/25/2022 +1 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2020-20093 (🔍)
GCVE (CVE): GCVE-0-2020-20093
GCVE (VulDB): GCVE-100-195726
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 03/24/2022 13:06
Updated: 03/25/2022 19:07
Changes: 03/24/2022 13:06 (38), 03/25/2022 19:07 (1)
Complete: 🔍
Cache ID: 216::103

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