Vulnerability Details CVE-2015-7756
The encryption implementation in 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 makes it easier for remote attackers to discover the plaintext content of VPN sessions by sniffing the network for ciphertext data and conducting an unspecified decryption attack.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.006
EPSS Ranking 67.6%
CVSS Severity
CVSS v2 Score 5.0
References
- 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
- http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
- http://www.kb.cert.org/vuls/id/640184
- http://www.securitytracker.com/id/1034489
- http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
- https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
- https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
- https://github.com/hdm/juniper-cve-2015-7755
- 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
- http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
- http://www.kb.cert.org/vuls/id/640184
- http://www.securitytracker.com/id/1034489
- http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
- https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
- https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
- https://github.com/hdm/juniper-cve-2015-7755
Products affected by CVE-2015-7756
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cpe:2.3:o:juniper:screenos:6.2.0r15
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cpe:2.3:o:juniper:screenos:6.2.0r16
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cpe:2.3:o:juniper:screenos:6.2.0r17
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cpe:2.3:o:juniper:screenos:6.2.0r18
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cpe:2.3:o:juniper:screenos:6.3.0