CVE-2015-0556

Exp

Open-source ARJ archiver 3.10.22 allows remote attackers to conduct directory traversal attacks via a symlink attack in an ARJ archive.

Published: 2015-04-08 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2015-0556 is rated High Exploit Risk (66.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.55%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2015-0556

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

Exploit prediction scoring system (EPSS) score for CVE-2015-0556

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 2026-02-21 2.09% 1.55% -0.54%
2 2025-05-04 1.68% 2.09% +0.41%
3 2025-03-30 1.68%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-0556

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 4.9 [email protected]

Weakness enumeration for CVE-2015-0556

OS Trackers for CVE-2015-0556

vendor priority summary link
debian low CVE-2015-0556 low priority: Debian including 1 source packages (arj), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2015-0556
gentoo normal CVE-2015-0556: 1 GLSA(s) (201612-15), 1 atom(s) (app-arch/arj); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2015-0556
ubuntu medium CVE-2015-0556 medium priority: Ubuntu including 1 source packages (arj), 14 status rows across 14 suites (artful, bionic, cosmic, disco, lucid, precise, trusty, upstream, utopic, vivid, wily, xenial, yakkety, zesty): not-affected 8, ignored 3, released 2, DNE 1. https://ubuntu.com/security/CVE-2015-0556

Affected software / configurations for CVE-2015-0556

Vendor Product Version Raw CPE
arj_software arj_archiver <= 3.10.22 cpe:2.3:a:arj_software:arj_archiver:*:*:*:*:*:*:*:*
fedoraproject fedora 20 cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
fedoraproject fedora 21 cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
fedoraproject fedora 22 cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

References for CVE-2015-0556

cvelogic Threat Intelligence