CVE-2015-7751

6.9 MEDIUM 0.4% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited locally on the machine without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.4% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2015-10-19 18:59 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 00:33 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.4% in the next 30 days (EPSS).
Severity: 6.9 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2015-10-19 18:59 UTC
Last modified: 2026-06-17 00:33 UTC
Exploit probability: 0.4% · EPSS, next 30 days
Weakness: CWE-264
Record status: Modified

Affected

Juniper Junos ≤ 12.1x44
Juniper Junos 12.1x46
Juniper Junos 12.1x47
Juniper Junos 12.3
Juniper Junos 12.3x48
Juniper Junos 13.2
Juniper Junos 13.2x51
Juniper Junos 13.3

Attack profile CVSS 2.0 · 6.9

Attack vector: Local
Complexity: Medium
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2015-7751.md and follow it. Check whether this project is affected by CVE-2015-7751. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record