Vulnerability Monitor

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CVE-2014-6380

Juniper Junos 11.4 before R11, 12.1 before R9, 12.1X44 before D30, 12.1X45 before D20, 12.1X46 before D15, 12.1X47 before D10, 12.2 before R8, 12.2X50 before D70, 12.3 before R6, 13.1 before R4, 13.1X49 before D55, 13.1X50 before D30, 13.2 before R4, 13.2X50 before D20, 13.2X51 before D15, 13.2X52 before D15, 13.3 before R1, when using an em interface to connect to a certain internal network, allows remote attackers to cause a denial of service (em driver bock and FPC reset or "go offline") via a series of crafted (1) CLNP fragmented packets, when clns-routing or ESIS is configured, or (2) IPv4 or (3) IPv6 fragmented packets.

Security Impact Summary

CVE-2014-6380 is a security vulnerability that . Impacting 1 product from juniper organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2014, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2014-10-14T14:55:06.460

Last Modified

2026-06-17T00:12:59.817

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-Other

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	juniper	junos	11.4	Yes
Operating System	juniper	junos	12.1	Yes
Operating System	juniper	junos	12.1r	Yes
Operating System	juniper	junos	12.1x44	Yes
Operating System	juniper	junos	12.1x45	Yes
Operating System	juniper	junos	12.1x46	Yes
Operating System	juniper	junos	12.1x47	Yes
Operating System	juniper	junos	12.2	Yes
Operating System	juniper	junos	12.2x50	Yes
Operating System	juniper	junos	12.3	Yes
Operating System	juniper	junos	13.1	Yes
Operating System	juniper	junos	13.1x49	Yes
Operating System	juniper	junos	13.1x50	Yes
Operating System	juniper	junos	13.2	Yes
Operating System	juniper	junos	13.2x50	Yes
Operating System	juniper	junos	13.2x51	Yes
Operating System	juniper	junos	13.2x52	Yes
Operating System	juniper	junos	13.3	Yes

References

http://www.securityfocus.com/bid/70369 ([email protected])
http://www.securitytracker.com/id/1031011 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/96904 ([email protected])
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10655 Exploit, Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/70369 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1031011 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/96904 (af854a3a-2127-422b-91ae-364da2661108)
https://kb.juniper.net/InfoCenter/index?page=content&id=JSA10655 Exploit, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

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.