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CVE-2015-7751

18
FAUCET Score

CVE-2015-7751 describes a privilege escalation vulnerability in Juniper Junos OS versions prior to specific releases across multiple branches. This flaw allows a local attacker to gain root privileges by modifying the pam.conf file, as the system fails to require a password for the root user when this file is "corrupted." With a CVSS score of 6.9 (AV:L/AC:M/Au:N/C:C/I:C/A:C), the vulnerability requires local access and medium attack complexity but can lead to complete compromise of confidentiality, integrity, and availability. There is no public exploit code available, no evidence of active exploitation, and minimal community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 12.1x44CPE matchmatch criteria
cpe:2.3:o:juniper:junos:*:d45:*:*:*:*:*:*
12.1x46CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x46:*:*:*:*:*:*:*
12.1x46CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x46:d10:*:*:*:*:*:*
12.1x46CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x46:d15:*:*:*:*:*:*
12.1x46CPE matchmatch criteria
cpe:2.3:o:juniper:junos:12.1x46:d20:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.35%
Probability of exploitation in next 30 days
EPSS Percentile
27.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0035 is in the 35th percentile among its peer group of 1,595 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

junipervendor investigatingvia nvd_reference
View patch

References

kb.juniper.net / InfoCenter/index
Vendor Advisory
securitytracker.com / id/1033817