Junos OS: Insufficient authentication for user login when a specific system configuration error occurs.

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Summary

CVECVE-2017-10601
StatePUBLISHED
Assignerjuniper
Source PriorityCVE Program / NVD first with legacy fallback
Published2017-07-17 13:18:18 UTC
Updated2025-04-20 01:37:25 UTC
DescriptionA specific device configuration can result in a commit failure condition. When this occurs, a user is logged in without being prompted for a password while trying to login through console, ssh, ftp, telnet or su, etc., This issue relies upon a device configuration precondition to occur. Typically, device configurations are the result of a trusted administrative change to the system's running configuration. The following error messages may be seen when this failure occurs: mgd: error: commit failed: (statements constraint check failed) Warning: Commit failed, activating partial configuration. Warning: Edit the router configuration to fix these errors. If the administrative changes are not made that result in such a failure, then this issue is not seen. No other Juniper Networks products or platforms are affected by this issue. Affected releases are Juniper Networks Junos OS 12.3 prior to 12.3R10, 12.3R11; 12.3X48 prior to 12.3X48-D20; 13.2 prior to 13.2R8; 13.3 prior to 13.3R7; 14.1 prior to 14.1R4-S12, 14.1R5, 14.1R6; 14.1X53 prior to 14.1X53-D30; 14.2 prior to 14.2R4; 15.1 prior to 15.1F2, 15.1F3, 15.1R2.

Risk And Classification

Primary CVSS: v3.0 9.8 CRITICAL from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-287 | authentication bypass vulnerability

VersionSourceTypeScoreSeverityVector
3.0[email protected]Primary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.0[email protected]Secondary9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.0CNADECLARED9.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary10AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:N/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Juniper Junos 12.3 All All All
Operating System Juniper Junos 12.3 r1 All All
Operating System Juniper Junos 12.3 r11 All All
Operating System Juniper Junos 12.3 r2 All All
Operating System Juniper Junos 12.3 r3 All All
Operating System Juniper Junos 12.3 r4 All All
Operating System Juniper Junos 12.3 r5 All All
Operating System Juniper Junos 12.3 r6 All All
Operating System Juniper Junos 12.3 r7 All All
Operating System Juniper Junos 12.3 r8 All All
Operating System Juniper Junos 12.3 r9 All All
Operating System Juniper Junos 12.3x48 d10 All All
Operating System Juniper Junos 12.3x48 d15 All All
Operating System Juniper Junos 13.2 All All All
Operating System Juniper Junos 13.2 r1 All All
Operating System Juniper Junos 13.2 r2 All All
Operating System Juniper Junos 13.2 r3 All All
Operating System Juniper Junos 13.2 r4 All All
Operating System Juniper Junos 13.2 r5 All All
Operating System Juniper Junos 13.2 r6 All All
Operating System Juniper Junos 13.2 r7 All All
Operating System Juniper Junos 13.2 r7-s1 All All
Operating System Juniper Junos 13.2 r7-s2 All All
Operating System Juniper Junos 13.3 All All All
Operating System Juniper Junos 13.3 r2 All All
Operating System Juniper Junos 13.3 r3 All All
Operating System Juniper Junos 13.3 r4 All All
Operating System Juniper Junos 13.3 r5 All All
Operating System Juniper Junos 13.3 r6 All All
Operating System Juniper Junos 14.1 All All All
Operating System Juniper Junos 14.1 r1 All All
Operating System Juniper Junos 14.1 r2 All All
Operating System Juniper Junos 14.1 r3 All All
Operating System Juniper Junos 14.1 r4 All All
Operating System Juniper Junos 14.1 r5 All All
Operating System Juniper Junos 14.1 r6 All All
Operating System Juniper Junos 14.1x53 All All All
Operating System Juniper Junos 14.1x53 d10 All All
Operating System Juniper Junos 14.1x53 d15 All All
Operating System Juniper Junos 14.1x53 d16 All All
Operating System Juniper Junos 14.1x53 d25 All All
Operating System Juniper Junos 14.1x53 d26 All All
Operating System Juniper Junos 14.1x53 d27 All All
Operating System Juniper Junos 14.2 All All All
Operating System Juniper Junos 14.2 r1 All All
Operating System Juniper Junos 14.2 r2 All All
Operating System Juniper Junos 14.2 r3 All All
Operating System Juniper Junos 14.2 r4 All All
Operating System Juniper Junos 15.1 All All All
Operating System Juniper Junos 15.1 f1 All All
Operating System Juniper Junos 15.1 f2 All All
Operating System Juniper Junos 15.1 f3 All All
Operating System Juniper Junos 15.1 r2 All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Juniper Networks Junos OS affected 12.3 prior to 12.3R10, 12.3R11 Not specified
CNA Juniper Networks Junos OS affected 12.3X48 prior to 12.3X48-D20 Not specified
CNA Juniper Networks Junos OS affected 13.2 prior to 13.2R8 Not specified
CNA Juniper Networks Junos OS affected 13.3 prior to 13.3R7 Not specified
CNA Juniper Networks Junos OS affected 14.1 prior to 14.1R4-S12, 14.1R5, 14.1R6 Not specified
CNA Juniper Networks Junos OS affected 14.1X53 prior to 14.1X53-D30 Not specified
CNA Juniper Networks Junos OS affected 14.2 prior to 14.2R4 Not specified
CNA Juniper Networks Junos OS affected 15.1 prior to 15.1F2, 15.1F3, 15.1R2 Not specified

References

ReferenceSourceLinkTags
2017-07 Security Bulletin: Junos OS: Insufficient authentication for user login when a specific system configuration error occurs. (CVE-2017-10601) - Juniper Networks af854a3a-2127-422b-91ae-364da2661108 kb.juniper.net Mitigation, Vendor Advisory
Juniper Junos Configuration Error Lets Remote Users Bypass Authentication and Access the Target System - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Additional Advisory Data

Workarounds

CNA: Make sure authentication works as expected after a system configuration change. Use the SSH certificate based authentication. Use access lists or firewall filters to limit access to the device only from trusted administrative hosts, networks and users.

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