CVE-2020-3426 — Improper Input Validation in Cisco IOS 15.2 E4

CWE-264CWE-20 — Improper Input Validation4 documents3 sources
Severity
9.1CRITICALNVD
EPSS
0.5%
top 32.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS 15.2 E4Cisco IOS
Timeline
PublishedSep 24
Latest updateMay 24

Description

A vulnerability in the implementation of the Low Power, Wide Area (LPWA) subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) could allow an unauthenticated, remote attacker to gain unauthorized read access to sensitive data or cause a denial of service (DoS) condition. The vulnerability is due to a lack of input and validation checking mechanisms for virtual-LPWA (VLPWA) protocol mode…

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HExploitability: 3.9 | Impact: 5.2

Affected Packages2 packages

▶ciscocisco/ios

🔴Vulnerability Details

1
GHSA
GHSA-g97r-rvqc-x2fm: A vulnerability in the implementation of the Low Power, Wide Area (LPWA) subsystem of Cisco IOS Software for Cisco 800 Series Industrial Integrated Se↗2022-05-24
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📋Vendor Advisories

2
Cisco
Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnerability↗2020-09-24
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Cisco
Cisco IOS Software for Cisco Industrial Routers Virtual-LPWA Unauthorized Access Vulnerability↗
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