Vulnerability Name:

CVE-2021-31349 (CCN-211296)

Assigned:2021-10-13
Published:2021-10-13
Updated:2021-10-13
Summary:Juniper Networks 128 Technology Session Smart Router could allow a remote attacker to execute arbitrary code on the system, caused by an authentication bypass flaw in the usage of an internal HTTP header. By sending a specially-crafted request, an attacker could exploit this vulnerability to execute arbitrary code, view internal files, change settings and manipulate services.
CVSS v3 Severity:9.8 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-31349

Source: XF
Type: UNKNOWN
juniper-cve202131349-code-exec(211296)

Source: CCN
Type: Juniper Networks Security Bulletin JSA11256
Session Smart Router: Authentication Bypass Vulnerability (CVE-2021-31349)

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