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Vulnerability Details : CVE-2015-7755

Juniper ScreenOS 6.2.0r15 through 6.2.0r18, 6.3.0r12 before 6.3.0r12b, 6.3.0r13 before 6.3.0r13b, 6.3.0r14 before 6.3.0r14b, 6.3.0r15 before 6.3.0r15b, 6.3.0r16 before 6.3.0r16b, 6.3.0r17 before 6.3.0r17b, 6.3.0r18 before 6.3.0r18b, 6.3.0r19 before 6.3.0r19b, and 6.3.0r20 before 6.3.0r21 allows remote attackers to obtain administrative access by entering an unspecified password during a (1) SSH or (2) TELNET session.
Publish Date : 2015-12-19 Last Update Date : 2016-12-07
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- CVSS Scores & Vulnerability Types

CVSS Score
10.0
Confidentiality Impact Complete (There is total information disclosure, resulting in all system files being revealed.)
Integrity Impact Complete (There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.)
Availability Impact Complete (There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.)
Access Complexity Low (Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. )
Authentication Not required (Authentication is not required to exploit the vulnerability.)
Gained Access None
Vulnerability Type(s)
CWE ID 287

- Products Affected By CVE-2015-7755

# Product Type Vendor Product Version Update Edition Language
1 OS Juniper Screenos 6.3.0 R17 Version Details Vulnerabilities
2 OS Juniper Screenos 6.3.0 R18 Version Details Vulnerabilities
3 OS Juniper Screenos 6.3.0 R19 Version Details Vulnerabilities
4 OS Juniper Screenos 6.3.0 R20 Version Details Vulnerabilities

- Number Of Affected Versions By Product

Vendor Product Vulnerable Versions
Juniper Screenos 4

- References For CVE-2015-7755

https://github.com/hdm/juniper-cve-2015-7755
https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554 CONFIRM
https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
http://www.securitytracker.com/id/1034489
SECTRACK 1034489
http://www.securityfocus.com/bid/79626
BID 79626 Juniper ScreenOS CVE-2015-7755 Unauthorized Access and Information Disclosure Vulnerabilities Release Date:2016-01-04
http://www.kb.cert.org/vuls/id/640184
CERT-VN VU#640184
http://twitter.com/cryptoron/statuses/677900647560253442
http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713 CONFIRM

- Metasploit Modules Related To CVE-2015-7755

Juniper SSH Backdoor Scanner
This module scans for the Juniper SSH backdoor (also valid on Telnet). Any username is required, and the password is <<< %s(un='%s') = %u.
Module type : auxiliary Rank : normal


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