Attacker Value
Unknown
0
CVE-2023-20236
0
CVE ID
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CVE-2023-20236
(Last updated October 08, 2023) ▾
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Command and Control
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Credential Access
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Defense Evasion
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Exfiltration
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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.
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CVSS V3 Severity and Metrics
Data provided by the National Vulnerability Database (NVD)
Base Score:
7.8 High
Impact Score:
5.9
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
High
Integrity (I):
High
Availability (A):
High
General Information
Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Cisco IOS XR Software 5.2.0
Cisco IOS XR Software 5.2.1
Cisco IOS XR Software 5.2.2
Cisco IOS XR Software 5.2.4
Cisco IOS XR Software 5.2.3
Cisco IOS XR Software 5.2.5
Cisco IOS XR Software 5.2.47
Cisco IOS XR Software 5.3.0
Cisco IOS XR Software 5.3.1
Cisco IOS XR Software 5.3.2
Cisco IOS XR Software 5.3.3
Cisco IOS XR Software 5.3.4
Cisco IOS XR Software 6.0.0
Cisco IOS XR Software 6.0.1
Cisco IOS XR Software 6.0.2
Cisco IOS XR Software 6.1.1
Cisco IOS XR Software 6.1.2
Cisco IOS XR Software 6.1.3
Cisco IOS XR Software 6.1.4
Cisco IOS XR Software 6.1.12
Cisco IOS XR Software 6.1.22
Cisco IOS XR Software 6.1.32
Cisco IOS XR Software 6.1.36
Cisco IOS XR Software 6.1.42
Cisco IOS XR Software 6.2.1
Cisco IOS XR Software 6.2.2
Cisco IOS XR Software 6.2.3
Cisco IOS XR Software 6.2.25
Cisco IOS XR Software 6.2.11
Cisco IOS XR Software 6.3.2
Cisco IOS XR Software 6.3.3
Cisco IOS XR Software 6.3.15
Cisco IOS XR Software 6.4.1
Cisco IOS XR Software 6.4.2
Cisco IOS XR Software 6.4.3
Cisco IOS XR Software 6.5.1
Cisco IOS XR Software 6.5.2
Cisco IOS XR Software 6.5.3
Cisco IOS XR Software 6.5.25
Cisco IOS XR Software 6.5.26
Cisco IOS XR Software 6.5.28
Cisco IOS XR Software 6.5.29
Cisco IOS XR Software 6.5.32
Cisco IOS XR Software 6.5.33
Cisco IOS XR Software 6.6.2
Cisco IOS XR Software 6.6.3
Cisco IOS XR Software 6.6.25
Cisco IOS XR Software 6.6.4
Cisco IOS XR Software 7.0.1
Cisco IOS XR Software 7.0.2
Cisco IOS XR Software 7.0.12
Cisco IOS XR Software 7.0.14
Cisco IOS XR Software 7.1.1
Cisco IOS XR Software 7.1.15
Cisco IOS XR Software 7.1.2
Cisco IOS XR Software 7.1.3
Cisco IOS XR Software 6.7.1
Cisco IOS XR Software 6.7.2
Cisco IOS XR Software 6.7.3
Cisco IOS XR Software 6.7.4
Cisco IOS XR Software 7.2.0
Cisco IOS XR Software 7.2.1
Cisco IOS XR Software 7.2.2
Cisco IOS XR Software 7.3.1
Cisco IOS XR Software 7.3.15
Cisco IOS XR Software 7.3.2
Cisco IOS XR Software 7.3.3
Cisco IOS XR Software 7.3.5
Cisco IOS XR Software 7.4.1
Cisco IOS XR Software 7.4.2
Cisco IOS XR Software 6.8.1
Cisco IOS XR Software 6.8.2
Cisco IOS XR Software 7.5.1
Cisco IOS XR Software 7.5.3
Cisco IOS XR Software 7.5.2
Cisco IOS XR Software 7.5.4
Cisco IOS XR Software 7.6.1
Cisco IOS XR Software 7.6.2
Cisco IOS XR Software 7.7.1
Cisco IOS XR Software 7.7.2
Cisco IOS XR Software 7.7.21
Cisco IOS XR Software 6.9.1
Cisco IOS XR Software 6.9.2
Cisco IOS XR Software 7.8.1
Cisco IOS XR Software 7.8.2
Cisco IOS XR Software 7.9.1
Cisco IOS XR Software 7.9.2
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown
Vendors
- cisco
Products
- ios xr
References
Additional Info
Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Rapid7
Technical Analysis
Report as Emergent Threat Response
Report as Exploited in the Wild
CVE ID
AttackerKB requires a CVE ID in order to pull vulnerability data and references from the CVE list and the National Vulnerability Database. If available, please supply below:
