Vulnerability Report

CVE-2015-5663

Title: Rarlab Winrar Auth Bypass

Auth Bypass

Proof Of Concept

No public PoC currently indexed for CVE-2015-5663.

CWE Category CWE-264

Published Date Dec 30, 2015

Modified Date Jun 17, 2026

Exploit Status Not Found

Score 7.4 CVSS v3.0

Exploit Probability (EPSS)

0.91%

Vulnerability Summary

CVE-2015-5663: The file-execution functionality in WinRAR before 5.30 beta 5 allows local users to gain privileges via a Trojan horse file with a name similar to an extensionless filename that was selected by the user.

Impacted Vendors

rarlab 1

Reference Links

http://jvn.jp/en/jp/JVN64636058/index.html http://jvndb.jvn.jp/jvndb/JVNDB-2015-000199 http://www.securityfocus.com/bid/79666 http://www.securitytracker.com/id/1034881 http://jvn.jp/en/jp/JVN64636058/index.html http://jvndb.jvn.jp/jvndb/JVNDB-2015-000199 http://www.securityfocus.com/bid/79666 http://www.securitytracker.com/id/1034881

CVSS v3.0

Source Entity [email protected]

Severity HIGH

7.4

Attack Vector

LOCAL

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

Source Entity [email protected]

Severity LOW

3.7

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:H/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2015-5663 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

June 17, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

December 30, 2015 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL

Complexity HIGH

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.