CVE-2013-4685

Buffer overflow in flowd in Juniper Junos 10.4 before 10.4S14, 11.4 before 11.4R7, 12.1 before 12.1R6, and 12.1X44 before 12.1X44-D15 on SRX devices, when Captive Portal is enabled with the UAC enforcer role, allows remote attackers to execute arbitrary code via crafted HTTP requests, aka PR 849100.

Published: 2013-07-11 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4685 is rated High Risk (70.2/100): CVSS Critical severity, with high exploitation likelihood (EPSS 7.49%, 92th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. High exploitation likelihood—assess exposure and prioritize remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2013-4685

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 2026-04-03 9.37% 7.49% -1.89%
2 2025-03-30 9.50% 9.37% -0.13%
3 2025-03-29 — 9.50% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4685

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C 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:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2013-4685

Affected software / configurations for CVE-2013-4685

Vendor Product Version Raw CPE
juniper junos 10.4 cpe:2.3:o:juniper:junos:10.4:*:*:*:*:*:*:*
juniper junos 11.4 cpe:2.3:o:juniper:junos:11.4:*:*:*:*:*:*:*
juniper junos 12.1 cpe:2.3:o:juniper:junos:12.1:*:*:*:*:*:*:*
juniper junos 12.1x44 cpe:2.3:o:juniper:junos:12.1x44:*:*:*:*:*:*:*
juniper srx100 — cpe:2.3:h:juniper:srx100:-:*:*:*:*:*:*:*
juniper srx110 — cpe:2.3:h:juniper:srx110:-:*:*:*:*:*:*:*
juniper srx1400 — cpe:2.3:h:juniper:srx1400:-:*:*:*:*:*:*:*
juniper srx210 — cpe:2.3:h:juniper:srx210:-:*:*:*:*:*:*:*
juniper srx220 — cpe:2.3:h:juniper:srx220:-:*:*:*:*:*:*:*
juniper srx240 — cpe:2.3:h:juniper:srx240:-:*:*:*:*:*:*:*
juniper srx3400 — cpe:2.3:h:juniper:srx3400:-:*:*:*:*:*:*:*
juniper srx3600 — cpe:2.3:h:juniper:srx3600:-:*:*:*:*:*:*:*
juniper srx550 — cpe:2.3:h:juniper:srx550:-:*:*:*:*:*:*:*
juniper srx5600 — cpe:2.3:h:juniper:srx5600:-:*:*:*:*:*:*:*
juniper srx5800 — cpe:2.3:h:juniper:srx5800:-:*:*:*:*:*:*:*
juniper srx650 — cpe:2.3:h:juniper:srx650:-:*:*:*:*:*:*:*

References for CVE-2013-4685

cvelogic Threat Intelligence