CVE-2013-4877: verizon wireless_network_extender Improper Authentication
Vulnerability summary
CVE-2013-4877 is a low (CVSS 2.6) Improper Authentication vulnerability in verizon wireless_network_extender. EPSS estimates a 0.78% chance of exploitation in the next 30 days, higher than 56.1% of scored vulnerabilities.
Not severe (CVSS 2.6, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 18-07-2013PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.78%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.78% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, no authentication (CVSS vector). Other conditions: not stated in public data.
Verizon1 product
- wireless_network_extenderscs-2u01 | scs-26uc4
1 vendor · 1 product