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CVE-2022-20676
CVE ID
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CVE-2022-20676
MITRE ATT&CK
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Topic Tags
Description
A vulnerability in the Tool Command Language (Tcl) interpreter of Cisco IOS XE Software could allow an authenticated, local attacker to escalate from privilege level 15 to root-level privileges. This vulnerability is due to insufficient input validation of data that is passed into the Tcl interpreter. An attacker could exploit this vulnerability by loading malicious Tcl code on an affected device. A successful exploit could allow the attacker to execute arbitrary commands as root. By default, Tcl shell access requires privilege level 15.
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CVSS V3 Severity and Metrics
General Information
Vendors
- cisco
Products
- ios xe 16.12.1z2,
- ios xe 17.2.1,
- ios xe 17.2.1a,
- ios xe 17.2.1r,
- ios xe 17.2.1v,
- ios xe 17.2.2,
- ios xe 17.2.3,
- ios xe 17.3.1,
- ios xe 17.3.1a,
- ios xe 17.3.1w,
- ios xe 17.3.1x,
- ios xe 17.3.1z,
- ios xe 17.3.2,
- ios xe 17.3.2a,
- ios xe 17.3.3,
- ios xe 17.3.3a,
- ios xe 17.3.4,
- ios xe 17.3.4a,
- ios xe 17.3.4b,
- ios xe 17.3.4c,
- ios xe 17.4.1,
- ios xe 17.4.1a,
- ios xe 17.4.1b,
- ios xe 17.4.1c,
- ios xe 17.4.2,
- ios xe 17.4.2a,
- ios xe 17.5.1,
- ios xe 17.5.1a,
- ios xe 17.5.1c
References
Additional Info
Technical Analysis
Report as Exploited in the Wild
CVE ID
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