CVE-2019-1615

Cisco NX-OS Software Image Signature Verification Vulnerability

Description

A vulnerability in the Image Signature Verification feature of Cisco NX-OS Software could allow an authenticated, local attacker with administrator-level credentials to install a malicious software image on an affected device. The vulnerability is due to improper verification of digital signatures for software images. An attacker could exploit this vulnerability by loading an unsigned software image on an affected device. A successful exploit could allow the attacker to boot a malicious software image. Note: The fix for this vulnerability requires a BIOS upgrade as part of the software upgrade. For additional information, see the Details section of this advisory. Nexus 3000 Series Switches are affected running software versions prior to 7.0(3)I7(5). Nexus 9000 Series Fabric Switches in ACI Mode are affected running software versions prior to 13.2(1l). Nexus 9000 Series Switches in Standalone NX-OS Mode are affected running software versions prior to 7.0(3)I7(5). Nexus 9500 R-Series Line Cards and Fabric Modules are affected running software versions prior to 7.0(3)F3(5).

Category

6.7
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory cisco.com
Affected: Cisco Nexus 3000 Series Switches
Affected: Cisco Nexus 9000 Series Fabric Switches in ACI Mode
Affected: Cisco Nexus 9000 Series Switches in Standalone NX-OS Mode
Affected: Cisco Nexus 9500 R-Series Line Cards and Fabric Modules
Published at:
Updated at:

References

Link Tags
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20190306-nxos-sig-verif vendor advisory
http://www.securityfocus.com/bid/107397 third party advisory vdb entry

Frequently Asked Questions

What is the severity of CVE-2019-1615?
CVE-2019-1615 has been scored as a medium severity vulnerability.
How to fix CVE-2019-1615?
To fix CVE-2019-1615, 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-2019-1615 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-1615 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-2019-1615?
CVE-2019-1615 affects Cisco Nexus 3000 Series Switches, Cisco Nexus 9000 Series Fabric Switches in ACI Mode, Cisco Nexus 9000 Series Switches in Standalone NX-OS Mode, Cisco Nexus 9500 R-Series Line Cards and Fabric Modules.
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