CVE-2015-8357

Exp

Directory traversal vulnerability in the bitrix.xscan module before 1.0.4 for Bitrix allows remote authenticated users to rename arbitrary files, and consequently obtain sensitive information or cause a denial of service, via a .. (dot dot) in the file parameter to admin/bitrix.xscan_worker.php.

Published: 2015-12-16 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-8357 is rated High Exploit Risk (78/100): CVSS Medium severity, with high exploitation likelihood (EPSS 8.77%, 94th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.94% over the last day, indicating growing attacker interest. 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-2015-8357

EDB-ID Source Kind Published Link
38976 exploit_db edb 2015-12-14 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2015-8357

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 4.83% 8.77% +3.94%
2 2025-07-02 3.62% 4.83% +1.21%
3 2025-03-30 — 3.62% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-8357

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 2.0 MEDIUM
AV:N/AC:L/Au:S/C:P/I:P/A:P 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:S)
A single authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 8.0 6.4 [email protected]

Weakness enumeration for CVE-2015-8357

Affected software / configurations for CVE-2015-8357

Vendor Product Version Raw CPE
bitrix xscan <= 1.0.3 cpe:2.3:a:bitrix:xscan:*:*:*:*:*:bitrix:*:*

References for CVE-2015-8357

cvelogic Threat Intelligence