Vulnerability Details : CVE-2015-7754
Juniper ScreenOS before 6.3.0r21, when ssh-pka is configured and enabled, allows remote attackers to cause a denial of service (system crash) or execute arbitrary code via crafted SSH negotiation.
Vulnerability category: Input validationExecute codeDenial of service
Products affected by CVE-2015-7754
- cpe:2.3:o:juniper:screenos:*:r20:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2015-7754
5.18%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 92 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2015-7754
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
9.3
|
HIGH | AV:N/AC:M/Au:N/C:C/I:C/A:C |
8.6
|
10.0
|
NIST | |
8.1
|
HIGH | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
2.2
|
5.9
|
NIST |
CWE ids for CVE-2015-7754
-
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2015-7754
-
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10712
Juniper Networks - 2015-12 Out of Cycle Security Bulletin: ScreenOS: Crafted SSH negotiation may trigger system crash (CVE-2015-7754)Vendor Advisory
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http://www.securitytracker.com/id/1034490
Juniper ScreenOS Bug in ssh-pka Lets Remote Users Deny Service or Execute Arbitrary Code on the Target System - SecurityTracker
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http://www.securityfocus.com/bid/79627
Juniper ScreenOS CVE-2015-7754 Denial of Service Vulnerability
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