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MEDIUM · 5.4

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 target...

Vulnerability Description

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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
CryptshareCryptshare Server< 5.1.0

Related Weaknesses (CWE)

CWE-601

References

FAQ

What is CVE-2021-42564?

CVE-2021-42564 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 target...

How severe is CVE-2021-42564?

CVE-2021-42564 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42564?

Check the references section above for vendor advisories and patch information. Affected products include: Cryptshare Cryptshare Server.