CVE-2020-3257 — Improper Input Validation in Cisco IOS 12.2 Ez16

CWE-20 — Improper Input ValidationCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer4 documents4 sources
Severity
8.1HIGHNVD
EPSS
0.1%
top 69.02%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Cisco IOS 12.2 Ez16Cisco IOS
Timeline
PublishedJun 3
Latest updateMay 24

Description

Multiple vulnerabilities in the Cisco IOx application environment of Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Cisco 1000 Series Connected Grid Routers (CGR1000) that are running Cisco IOS Software could allow an attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HExploitability: 2.8 | Impact: 5.2

Affected Packages2 packages

▶NVDcisco/ios15.8\(3.0z\)m1, 15.9+1

Patches

Patch: tools.cisco.com ↗Patch: tools.cisco.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-hj3c-74jp-76r5: Multiple vulnerabilities in the Cisco IOx application environment of Cisco 809 and 829 Industrial Integrated Services Routers (Industrial ISRs) and Ci↗2022-05-24
▶
CVEList
Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabilities↗2020-06-03
▶

📋Vendor Advisories

1
Cisco
Cisco IOx Application Environment for IOS Software for Cisco Industrial Routers Vulnerabilities↗2020-06-03
▶
CVE-2020-3257 — Improper Input Validation in Cisco | cvebase