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CVE-2016-1273

16
FAUCET Score

CVE-2016-1273 describes an insufficient entropy vulnerability in Juniper Junos OS on QFX5100 and QFX10002 switches, affecting versions before 13.2X51-D40, 14.x before 14.1X53-D30, and 15.x before 15.1X53-D20. This flaw, rated Medium severity (CVSS 5.9), allows remote attackers to more easily bypass cryptographic encryption and authentication mechanisms due to a lack of randomness. While the attack complexity is high, successful exploitation could lead to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 13.2x51CPE matchmatch criteria
cpe:2.3:o:juniper:junos:*:d35:*:*:*:*:*:*
14.1x53CPE matchmatch criteria
cpe:2.3:o:juniper:junos:14.1x53:*:*:*:*:*:*:*
14.1x53CPE matchmatch criteria
cpe:2.3:o:juniper:junos:14.1x53:d10:*:*:*:*:*:*
14.1x53CPE matchmatch criteria
cpe:2.3:o:juniper:junos:14.1x53:d15:*:*:*:*:*:*
14.1x53CPE matchmatch criteria
cpe:2.3:o:juniper:junos:14.1x53:d16:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.9MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
2.2
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.66%
Probability of exploitation in next 30 days
EPSS Percentile
48.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0066 is in the 9th percentile among its peer group of 19,955 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 0.2 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