CVE Vulnerability

CVE-2021-42564

An open redirect through HTML injection in confidential messages in Cryptshare before 5.1.0 allows remote attackers (with permission to provide confidential messages via Cryptshare) to redirect targeted victims to any URL via the '<meta http-equiv="refresh"' substring in the editor parameter.

4.9 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 6.8 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact NONE

Scope

5.4 /10

CVSS v3.0 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://www.syss.de/fileadmin/dokumente/Publikationen/Advisories/SYSS-2021-057.txt Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:cryptshare:cryptshare_server:*:*:*:*:*:*:*:*
Information

Published : 2021-11-30 08:15

Updated : 2021-12-01 01:43

NVD link : CVE-2021-42564

Mitre link : CVE-2021-42564

Products Affected
No products.
CWE
CWE-601

URL Redirection to Untrusted Site ('Open Redirect')