Medium severity · published Mar 28, 2019
CVE-2019-1746
A vulnerability in the Cluster Management Protocol (CMP) processing code in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to…
6.5
CVSS
0.6%
EPSS
No
On KEV
Description
A vulnerability in the Cluster Management Protocol (CMP) processing code in Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to trigger a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient input validation when processing CMP management packets. An attacker could exploit this vulnerability by sending malicious CMP management packets to an affected device. A successful exploit could cause the switch to crash, resulting in a DoS condition. The switch will reload automatically.
CVSS vector
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Adjacent
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IX
IOS XE · Cisco
3.2.0sg; 3.2.1sg; 3.2.2sg; 3.2.3sg; 3.2.4sg; 3.2.5sg; +34 more · source: NVD
IO
Ios · Cisco
12.1(6)ea1; 12.1(6)ea1a; 12.1(6)ea2; 12.1(6)ea2a; 12.1(6)ea2b; 12.1(6)ea2c; +34 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-1746
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-1746
Third Party Advisory
http://www.securityfocus.com/bid/107612
Patch
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190327-cmp-dos
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