Vulnerability Monitor

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CVE-2015-7751

Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R9, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R7, 13.2X51 before 13.2X51-D35, 13.3 before 13.3R6, 14.1 before 14.1R5, 14.1X50 before 14.1X50-D105, 14.1X51 before 14.1X51-D70, 14.1X53 before 14.1X53-D25, 14.1X55 before 14.1X55-D20, 14.2 before 14.2R1, 15.1 before 15.1F2 or 15.1R1, and 15.1X49 before 15.1X49-D10 does not require a password for the root user when pam.conf is "corrupted," which allows local users to gain root privileges by modifying the file.

Security Impact Summary

CVE-2015-7751 is a security vulnerability that . Impacting 1 product from juniper organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2015, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2015-10-19T18:59:04.457

Last Modified

2026-06-17T00:33:04.170

Status

Modified

Source

[email protected]

Severity

CVSSv2: 6.9 (MEDIUM)

CVSSv2 Vector

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

  • Access Vector: LOCAL
  • Access Complexity: MEDIUM
  • Authentication: NONE
  • Confidentiality Impact: COMPLETE
  • Integrity Impact: COMPLETE
  • Availability Impact: COMPLETE
Exploitability Score

3.4

Impact Score

10.0

Weaknesses
  • Type: Primary
    CWE-264
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System juniper junos ≤ 12.1x44 Yes
Operating System juniper junos 12.1x46 Yes
Operating System juniper junos 12.1x46 Yes
Operating System juniper junos 12.1x46 Yes
Operating System juniper junos 12.1x46 Yes
Operating System juniper junos 12.1x46 Yes
Operating System juniper junos 12.1x46 Yes
Operating System juniper junos 12.1x47 Yes
Operating System juniper junos 12.1x47 Yes
Operating System juniper junos 12.1x47 Yes
Operating System juniper junos 12.1x47 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 12.3x48 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2 Yes
Operating System juniper junos 13.2x51 Yes
Operating System juniper junos 13.2x51 Yes
Operating System juniper junos 13.2x51 Yes
Operating System juniper junos 13.2x51 Yes
Operating System juniper junos 13.2x51 Yes
Operating System juniper junos 13.3 Yes
Operating System juniper junos 13.3 Yes
Operating System juniper junos 13.3 Yes
Operating System juniper junos 13.3 Yes
Operating System juniper junos 13.3 Yes
Operating System juniper junos 13.3 Yes
Operating System juniper junos 14.1 Yes
Operating System juniper junos 14.1 Yes
Operating System juniper junos 14.1 Yes
Operating System juniper junos 14.1 Yes
Operating System juniper junos 14.1 Yes
Operating System juniper junos 14.1x50 Yes
Operating System juniper junos 14.1x51 Yes
Operating System juniper junos 14.1x53 Yes
Operating System juniper junos 14.1x55 Yes
Operating System juniper junos 14.2 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1 Yes
Operating System juniper junos 15.1x49 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For juniper's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.