CVE-2019-1858 — Improper Input Validation in Cisco Firepower Extensible Operating System

CWE-20 — Improper Input ValidationCWE-755 — Improper Handling of Exceptional Conditions4 documents4 sources
Severity
8.6HIGHNVD
EPSS
3.0%
top 13.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Cisco Firepower Extensible Operating SystemCisco Firepower Extensible Operating SystemCisco Fx-os+1 more
Timeline
PublishedMay 16
Latest updateMay 24

Description

A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, remote attacker to cause the SNMP application to leak system memory, which could cause an affected device to restart unexpectedly. The vulnerability is due to improper error handling when processing inbound SNMP packets. An attacker could exploit this vulnerability by sending multiple crafted SNMP packets to an affected device. A …

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:HExploitability: 3.9 | Impact: 4.0

Affected Packages4 packages

▶NVDcisco/fx-os2.3 — 2.3.1.130+2
▶NVDcisco/nx-os7.0\(3\)i7 — 7.0\(3\)i7\(2\)+12

🔴Vulnerability Details

2
GHSA
GHSA-h4rm-7mpv-29cj: A vulnerability in the Simple Network Management Protocol (SNMP) input packet processor of Cisco FXOS Software and Cisco NX-OS Software could allow an↗2022-05-24
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CVEList
Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability↗2019-05-16
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📋Vendor Advisories

1
Cisco
Cisco FXOS and NX-OS Software Simple Network Management Protocol Denial of Service Vulnerability↗2019-05-15
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CVE-2019-1858 — Improper Input Validation in Cisco | cvebase