CVE-2015-7392

Exp

Heap-based buffer overflow in the parse_string function in libs/esl/src/esl_json.c in FreeSWITCH before 1.4.23 and 1.6.x before 1.6.2 allows remote attackers to execute arbitrary code via a trailing \u in a json string to cJSON_Parse.

Published: 2015-10-05 Last update: 2026-05-06 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2015-7392 is rated High Exploit Risk (76.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 4.09%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.04% 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-2015-7392

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

Exploit prediction scoring system (EPSS) score for CVE-2015-7392

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 2025-11-26 3.05% 4.09% +1.04%
2 2025-06-21 13.71% 3.05% -10.66%
3 2025-06-05 — 13.71% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2015-7392

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/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:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2015-7392

Affected software / configurations for CVE-2015-7392

Vendor Product Version Raw CPE
freeswitch freeswitch <= 1.4.21 cpe:2.3:a:freeswitch:freeswitch:*:*:*:*:*:*:*:*
freeswitch freeswitch 1.6.0 cpe:2.3:a:freeswitch:freeswitch:1.6.0:*:*:*:*:*:*:*

References for CVE-2015-7392

cvelogic Threat Intelligence