A vulnerability in the SSH Server process of Cisco IOS XR Software could allow an authenticated, remote attacker to overwrite and read arbitrary files on the local device. This vulnerability is due to insufficient input validation of arguments that are supplied by the user for a specific file transfer method. An attacker with lower-level privileges could exploit this vulnerability by specifying Secure Copy Protocol (SCP) parameters when authenticating to a device. A successful exploit could allow the attacker to elevate their privileges and retrieve and upload files on a device that they should not have access to.
Metrics
No CVSS v4.0
Attack Vector Network
Attack Complexity Low
Privileges Required Low
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact None
User Interaction None
No CVSS v3.0
Access Vector Network
Access Complexity Low
Authentication Single
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact None
AV:N/AC:L/Au:S/C:C/I:C/A:N
This CVE is not in the KEV list.
Key SSVC decision points have not yet been added.
Affected Vendors & Products
Vendors | Products |
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Cisco |
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Configuration 1 [-]
AND |
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Configuration 2 [-]
AND |
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Configuration 3 [-]
AND |
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Configuration 4 [-]
AND |
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Configuration 5 [-]
AND |
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Configuration 6 [-]
AND |
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Configuration 7 [-]
AND |
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Configuration 8 [-]
AND |
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No data.
References
History
No history.
MITRE
Status: PUBLISHED
Assigner: cisco
Published: 2021-09-09T05:00:43.820831Z
Updated: 2024-09-16T16:33:55.460Z
Reserved: 2021-06-15T00:00:00
Link: CVE-2021-34718
Vulnrichment
No data.
NVD
Status : Modified
Published: 2021-09-09T05:15:11.103
Modified: 2023-11-07T03:36:11.307
Link: CVE-2021-34718
Redhat
No data.