High severity · published May 30, 2017
CVE-2017-2304
Juniper Networks QFX3500, QFX3600, QFX5100, QFX5200, EX4300 and EX4600 devices running Junos OS 14.1X53 prior to 14.1X53-D40, 15.1X53 prior to 15.1X53-D40, 15.1 prior to 15.1R2,…
7.5
CVSS
1.8%
EPSS
No
On KEV
Description
Juniper Networks QFX3500, QFX3600, QFX5100, QFX5200, EX4300 and EX4600 devices running Junos OS 14.1X53 prior to 14.1X53-D40, 15.1X53 prior to 15.1X53-D40, 15.1 prior to 15.1R2, do not pad Ethernet packets with zeros, and thus some packets can contain fragments of system memory or data from previous packets. This issue is also known as 'Etherleak'
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JO
Junos OS · Juniper
14.1x53; 14.1x53; 14.1x53; 14.1x53; 14.1x53; 14.1x53; +13 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-2304
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-2304
Third Party Advisory
http://www.securityfocus.com/bid/95403
Third Party Advisory
http://www.securitytracker.com/id/1037593
Vendor Advisory
https://kb.juniper.net/JSA10773
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