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MEDIUM · 6.0

CVE-2021-34708

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software fo...

Vulnerability Description

Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for Cisco 8000 Series Routers could allow an authenticated, local attacker to execute arbitrary code on the underlying operating system. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS Score

6.0

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE

Affected Products

VendorProductVersions
CiscoIos Xr< 7.3.2
Cisco8101-32Fh-
Cisco8101-32HAll versions
Cisco8102-64H-
Cisco8201-
Cisco8201-32Fh-
Cisco8202-
Cisco8800 12-Slot-
Cisco8800 18-Slot-
Cisco8800 4-Slot-
Cisco8800 8-Slot-
CiscoN540-12Z20G-Sys-A-
CiscoN540-12Z20G-Sys-D-
CiscoN540-24Z8Q2C-M-
CiscoN540-24Z8Q2C-Sys-
CiscoN540-28Z4C-Sys-A-
CiscoN540-28Z4C-Sys-D-
CiscoN540-Acc-Sys-
CiscoN540X-12Z16G-Sys-A-
CiscoN540X-12Z16G-Sys-D-

Related Weaknesses (CWE)

CWE-347

References

FAQ

What is CVE-2021-34708?

CVE-2021-34708 is a vulnerability with a CVSS score of 6.0 (MEDIUM). Multiple vulnerabilities in image verification checks of Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software fo...

How severe is CVE-2021-34708?

CVE-2021-34708 has been rated MEDIUM with a CVSS base score of 6.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-34708?

Check the references section above for vendor advisories and patch information. Affected products include: Cisco Ios Xr, Cisco 8101-32Fh, Cisco 8101-32H, Cisco 8102-64H, Cisco 8201.