CVE-2019-1747 — Improper Input Validation in Cisco IOS AND IOS XE Software

CWE-20 — Improper Input Validation4 documents4 sources
Severity
8.6HIGHNVD
EPSS
1.3%
top 20.37%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Cisco IOS AND IOS XE SoftwareCisco IOSCisco IOS XE
Timeline
PublishedMar 28
Latest updateMay 13

Description

A vulnerability in the implementation of the Short Message Service (SMS) handling functionality of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to improper processing of SMS protocol data units (PDUs) that are encoded with a special character set. An attacker could exploit this vulnerability by sending a malicious SMS message to an affected device. A succ…

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 Packages3 packages

▶NVDcisco/ios15.8\(3\)m
▶NVDcisco/ios_xe16.10.1

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-7j37-qcxx-cjxp: A vulnerability in the implementation of the Short Message Service (SMS) handling functionality of Cisco IOS Software and Cisco IOS XE Software could↗2022-05-13
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CVEList
Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability↗2019-03-27
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📋Vendor Advisories

1
Cisco
Cisco IOS and IOS XE Software Short Message Service Denial of Service Vulnerability↗2019-03-27
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CVE-2019-1747 — Improper Input Validation in Cisco | cvebase