CVE-2014-6449
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3...
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."
Exploit likelihood
What each source reports
NVD Score used
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."
- Record
CVE-2014-6449- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-399
- Updated
- 2026-11-02
CVE List No score
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."
- Record
CVE-2014-6449- Updated
- 2026-11-02
EUVDEUVD-2014-6328 No score
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."
- Record
EUVD-2014-6328- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-89gg-wwg4-3jch No score
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3...
Juniper Junos OS before 12.1X44-D50, 12.1X46 before 12.1X46-D35, 12.1X47 before 12.1X47-D25, 12.3 before 12.3R10, 12.3X48 before 12.3X48-D15, 13.2 before 13.2R8, 13.3 before 13.3R7, 14.1 before 14.1R5, and 14.2 before 14.2R1 do not properly handle TCP packet reassembly, which allows remote attackers to cause a denial of service (buffer consumption) via a crafted sequence of packets "destined to the device."
- Record
GHSA-89gg-wwg4-3jch- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2014-6449 is a medium vulnerability (CVSS 5.0) in Juniper Junos, published October 16, 2015. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.74%, the 77th percentile. No source names a fixed version.