6.7
Medium
CVE-2023-20236 A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to…
Description
A vulnerability in the iPXE boot function of Cisco IOS XR software could allow an authenticated, local attacker to install an unverified software image on an affected device. This vulnerability is due to insufficient image verification. An attacker could exploit this vulnerability by manipulating the boot parameters for image verification during the iPXE boot process on an affected device. A successful exploit could allow the attacker to boot an unverified software image on the affected device.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XR Software 7.9 | 7.9.1 → 7.9.2 | No fix stated |
| Cisco IOS XR Software 7.8 | 7.8.1 → 7.8.2 | No fix stated |
| Cisco IOS XR Software 7.7 | 7.7.1 → 7.7.21 | No fix stated |
| Cisco IOS XR Software 7.6 | 7.6.1 → 7.6.2 | No fix stated |
| Cisco IOS XR Software 7.5 | 7.5.1 → 7.5.4 | No fix stated |
| Cisco IOS XR Software 7.4 | 7.4.1 → 7.4.2 | No fix stated |
| Cisco IOS XR Software 7.3 | 7.3.1 → 7.3.15 | No fix stated |
| Cisco IOS XR Software 7.2 | 7.2.0 → 7.2.2 | No fix stated |
| Cisco IOS XR Software 7.1 | 7.1.1 → 7.1.15 | No fix stated |
Show the 14 other branches Hide the 14 other branches
| Product | Affected versions | Fixed in |
|---|---|---|
| Cisco IOS XR Software 7.0 | 7.0.1 → 7.0.14 | No fix stated |
| Cisco IOS XR Software 6.9 | 6.9.1 → 6.9.2 | No fix stated |
| Cisco IOS XR Software 6.8 | 6.8.1 → 6.8.2 | No fix stated |
| Cisco IOS XR Software 6.7 | 6.7.1 → 6.7.4 | No fix stated |
| Cisco IOS XR Software 6.6 | 6.6.2 → 6.6.25 | No fix stated |
| Cisco IOS XR Software 6.5 | 6.5.1 → 6.5.33 | No fix stated |
| Cisco IOS XR Software 6.4 | 6.4.1 → 6.4.3 | No fix stated |
| Cisco IOS XR Software 6.3 | 6.3.2 → 6.3.15 | No fix stated |
| Cisco IOS XR Software 6.2 | 6.2.1 → 6.2.25 | No fix stated |
| Cisco IOS XR Software 6.1 | 6.1.1 → 6.1.42 | No fix stated |
| Cisco IOS XR Software 6.0 | 6.0.0 → 6.0.2 | No fix stated |
| Cisco IOS XR Software 5.3 | 5.3.0 → 5.3.4 | No fix stated |
| Cisco IOS XR Software 5.2 | 5.2.0 → 5.2.47 | No fix stated |
| ios_xr_software 7.9 | earliest → 7.9.2 | No fix stated |
References
- cisco-sa-iosxr-ipxe-sigbypass-pymfyqgB sec.cloudapps.cisco.com
Timeline
- Published
- Last modified
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