CVE-2018-0253

Description

A vulnerability in the ACS Report component of Cisco Secure Access Control System (ACS) could allow an unauthenticated, remote attacker to execute arbitrary commands on an affected system. Commands executed by the attacker are processed at the targeted user's privilege level. The vulnerability is due to insufficient validation of the Action Message Format (AMF) protocol. An attacker could exploit this vulnerability by sending a crafted AMF message that contains malicious code to a targeted user. A successful exploit could allow the attacker to execute arbitrary commands on the ACS device. This vulnerability affects all releases of Cisco Secure ACS prior to Release 5.8 Patch 7. Cisco Bug IDs: CSCve69037.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.31% Top 15%
Vendor Advisory cisco.com
Affected: n/a Cisco Secure Access Control System
Published at:
Updated at:

References

Link Tags
http://www.securityfocus.com/bid/104075 vdb entry third party advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180502-acs1 vendor advisory
http://www.securitytracker.com/id/1040808 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-0253?
CVE-2018-0253 has been scored as a critical severity vulnerability.
How to fix CVE-2018-0253?
To fix CVE-2018-0253, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-0253 being actively exploited in the wild?
It is possible that CVE-2018-0253 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-0253?
CVE-2018-0253 affects n/a Cisco Secure Access Control System.
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