CVE-2013-4708

The PPP Access Concentrator (PPPAC) in Internet Initiative Japan Inc. SEIL/x86 1.00 through 2.80, SEIL/X1 1.00 through 4.30, SEIL/X2 1.00 through 4.30, SEIL/B1 1.00 through 4.30, SEIL/Turbo 1.80 through 2.15, and SEIL/neu 2FE Plus 1.80 through 2.15 generates predictable random numbers, which allows remote attackers to bypass RADIUS authentication by sniffing RADIUS traffic.

Published: 2013-10-01 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2013-4708 is rated Low Risk (35.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.19%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2013-4708

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 2024-04-25 0.12% 0.19% +0.06%
2 2024-02-08 0.23% 0.12% -0.10%
3 2023-03-07 — 0.23% —

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2013-4708

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 4.9 4.9 [email protected]

Weakness enumeration for CVE-2013-4708

Affected software / configurations for CVE-2013-4708

Vendor Product Version Raw CPE
iij seil\%2fx1_firmware 1.00 cpe:2.3:o:iij:seil\%2fx1_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fx1_firmware 4.30 cpe:2.3:o:iij:seil\%2fx1_firmware:4.30:*:*:*:*:*:*:*
iij seil\/x1 — cpe:2.3:h:iij:seil\/x1:*:*:*:*:*:*:*:*
iij seil\%2fb1_firmware 1.00 cpe:2.3:o:iij:seil\%2fb1_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fb1_firmware 4.30 cpe:2.3:o:iij:seil\%2fb1_firmware:4.30:*:*:*:*:*:*:*
iij seil\/b1 — cpe:2.3:h:iij:seil\/b1:*:*:*:*:*:*:*:*
iij seil\%2fx2_firmware 1.00 cpe:2.3:o:iij:seil\%2fx2_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fx2_firmware 4.30 cpe:2.3:o:iij:seil\%2fx2_firmware:4.30:*:*:*:*:*:*:*
iij seil\/x2 — cpe:2.3:h:iij:seil\/x2:*:*:*:*:*:*:*:*
iij seil\%2fx86_firmware 1.00 cpe:2.3:o:iij:seil\%2fx86_firmware:1.00:*:*:*:*:*:*:*
iij seil\%2fx86_firmware 2.80 cpe:2.3:o:iij:seil\%2fx86_firmware:2.80:*:*:*:*:*:*:*
iij seil\/x86 — cpe:2.3:h:iij:seil\/x86:*:*:*:*:*:*:*:*
iij seil\%2fturbo_firmware 1.80 cpe:2.3:o:iij:seil\%2fturbo_firmware:1.80:*:*:*:*:*:*:*
iij seil\%2fturbo_firmware 2.05 cpe:2.3:o:iij:seil\%2fturbo_firmware:2.05:*:*:*:*:*:*:*
iij seil\%2fturbo_firmware 2.15 cpe:2.3:o:iij:seil\%2fturbo_firmware:2.15:*:*:*:*:*:*:*
iij seil\/turbo — cpe:2.3:h:iij:seil\/turbo:*:*:*:*:*:*:*:*
iij seil\%2fneu_2fe_plus_firmware 1.80 cpe:2.3:o:iij:seil\%2fneu_2fe_plus_firmware:1.80:*:*:*:*:*:*:*
iij seil\%2fneu_2fe_plus_firmware 2.05 cpe:2.3:o:iij:seil\%2fneu_2fe_plus_firmware:2.05:*:*:*:*:*:*:*
iij seil\%2fneu_2fe_plus_firmware 2.15 cpe:2.3:o:iij:seil\%2fneu_2fe_plus_firmware:2.15:*:*:*:*:*:*:*
iij seil\/neu_2fe_plus — cpe:2.3:h:iij:seil\/neu_2fe_plus:*:*:*:*:*:*:*:*

References for CVE-2013-4708

cvelogic Threat Intelligence