CVE-2013-4877 — The Verizon Wireless Network Extender SCS-26UC4 and SCS-2U01 does not use CAVE authentication, which makes it easier for remote attackers to obtain ESN and MIN values from arbitrary phones, and conduct cloning attacks, by sniffing the network for registration packets

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LOW

The Verizon Wireless Network Extender SCS-26UC4 and SCS-2U01 does not use CAVE authentication, which makes it easier for remote attackers to obtain ESN and MIN values from arbitrary phones, and conduct cloning attacks, by sniffing the network for registration packets

Published Jul 18, 2013

2.6

LOW

CVSS 2.0

EPSS 0.78%

Description

The Verizon Wireless Network Extender SCS-26UC4 and SCS-2U01 does not use CAVE authentication, which makes it easier for remote attackers to obtain ESN and MIN values from arbitrary phones, and conduct cloning attacks, by sniffing the network for registration packets.

Affected products

Remediation

No remediation recorded yet.

Metrics

0.78% 0.00784

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00784

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.78% (0.00784)	54.43th	v5 (v2026.06.15)
Jun 15, 2026	0.78% (0.00784)	51.08th	v5 (v2026.06.15)
Mar 17, 2025	0.24% (0.00239)	45.08th	v4 (v2025.03.14)
Dec 12, 2024	0.37% (0.00369)	73.43th	v3 (v2023.03.01)
Feb 8, 2024	0.37% (0.00369)	71.80th	v3 (v2023.03.01)
Mar 7, 2023	0.37% (0.00369)	68.25th	v3 (v2023.03.01)
Mar 6, 2023	1.14% (0.01136)	59.45th	v2 (v2022.01.01)
Oct 18, 2022	1.14% (0.01136)	58.28th	v2 (v2022.01.01)
Apr 1, 2022	1.14% (0.01136)	56.27th	v2 (v2022.01.01)
Feb 4, 2022	1.14% (0.01136)	34.23th	v2 (v2022.01.01)

Weaknesses (1)

CWE-287

Improper Authentication

References (3)

http://www.kb.cert.org/vuls/id/458007
third-party-advisoryx_refsource_CERT-VNUS Government Resource
http://www.kb.cert.org/vuls/id/BLUU-997M5B
x_refsource_MISCUS Government Resource
http://www.securityfocus.com/bid/61169
vdb-entryx_refsource_BID

Link	Providers	Tags
http://www.kb.cert.org/vuls/id/458007		third-party-advisoryx_refsource_CERT-VNUS Government Resource
http://www.kb.cert.org/vuls/id/BLUU-997M5B		x_refsource_MISCUS Government Resource
http://www.securityfocus.com/bid/61169		vdb-entryx_refsource_BID

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Jul 18, 2013

Updated Aug 6, 2024

Reserved Jul 18, 2013

Link CVE-2013-4877

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 16, 2026

Link CVE-2013-4877

Red Hat

Severity n/a

Public date n/a

Links CVE-2013-4877