CVE-2021-1136
Description
Multiple vulnerabilities in Cisco Network Convergence System (NCS) 540 Series Routers, only when running Cisco IOS XR NCS540L software images, and Cisco IOS XR Software for the Cisco 8000 Series Routers could allow an authenticated, local attacker to execute unsigned code during the boot process on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.
Risk Information
Base Score
6.7
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.023
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities For Cisco Network Convergence System 500 Series Routers | NCM |
| Cisco IOS XR Software for Cisco 8000 Series Routers and Network Convergence System 540 Series Routers Image Verification Vulnerabilities For Cisco 8000 Series Routers | NCM |
| CVE-2021-1136 | NCM |
Patch Details
Click to see the patches provided by ManageEngine for this CVE
| Patch ID | Patch Description |
|---|---|
| PATCH-1705229 | Security Update for Cisco Network Convergence System 500 Series Routers 7.2.1.21i.BASE |
| PATCH-1705230 | Security Update for Cisco 8000 Series Routers 7.2.1.21i.BASE |
References
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234