CVE-2006-2520

Exp

Directory traversal vulnerability in BitZipper 4.1.2 SR-1 and earlier allows remote attackers to create files in arbitrary directories via a .. (dot dot) in the filename of a file that is stored in a (1) RAR (.rar), (2) TAR (.tar), (3) ZIP (.zip), (4) GZ (.gz), or (5) JAR (.jar) archive.

Published: 2006-05-22 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2520 is rated High Exploit Risk (62.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.00%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-2520

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-2520

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 1.47% 2.00% +0.53%
2 2025-06-15 1.20% 1.47% +0.27%
3 2025-03-30 — 1.20% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2520

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2006-2520

Affected software / configurations for CVE-2006-2520

Vendor Product Version Raw CPE
bitberry_software bitzipper 3.2 cpe:2.3:a:bitberry_software:bitzipper:3.2:*:*:*:*:*:*:*
bitberry_software bitzipper 3.2.1 cpe:2.3:a:bitberry_software:bitzipper:3.2.1:*:*:*:*:*:*:*
bitberry_software bitzipper 3.3 cpe:2.3:a:bitberry_software:bitzipper:3.3:*:*:*:*:*:*:*
bitberry_software bitzipper 3.4 cpe:2.3:a:bitberry_software:bitzipper:3.4:*:*:*:*:*:*:*
bitberry_software bitzipper 3.4.1 cpe:2.3:a:bitberry_software:bitzipper:3.4.1:*:*:*:*:*:*:*
bitberry_software bitzipper 4.0 cpe:2.3:a:bitberry_software:bitzipper:4.0:*:*:*:*:*:*:*
bitberry_software bitzipper 4.1 cpe:2.3:a:bitberry_software:bitzipper:4.1:*:*:*:*:*:*:*
bitberry_software bitzipper 4.1.1 cpe:2.3:a:bitberry_software:bitzipper:4.1.1:*:*:*:*:*:*:*
bitberry_software bitzipper 4.1.2 cpe:2.3:a:bitberry_software:bitzipper:4.1.2:*:*:*:*:*:*:*

References for CVE-2006-2520

cvelogic Threat Intelligence