CVE-2018-15374

Cisco IOS XE Software Digital Signature Verification Bypass Vulnerability

Description

A vulnerability in the Image Verification feature of Cisco IOS XE Software could allow an authenticated, local attacker to install a malicious software image or file on an affected device. The vulnerability is due to the affected software improperly verifying digital signatures for software images and files that are uploaded to a device. An attacker could exploit this vulnerability by uploading a malicious software image or file to an affected device. A successful exploit could allow the attacker to bypass digital signature verification checks for software images and files and install a malicious software image or file on the affected device.

Category

6.7
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.03%
Vendor Advisory cisco.com
Affected: Cisco Cisco IOS XE Software
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180926-digsig vendor advisory
http://www.securityfocus.com/bid/105415 vdb entry third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-15374?
CVE-2018-15374 has been scored as a medium severity vulnerability.
How to fix CVE-2018-15374?
To fix CVE-2018-15374, 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-2018-15374 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-15374 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-15374?
CVE-2018-15374 affects Cisco Cisco IOS XE Software.
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