CVE-2015-7756observed exploitation

CVE-2015-7756

Published · Updated

25Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck.

ssvc Attendepss 2.5%
from disclosure to weapon
Published on NVDDec 19
VulnCheck+4d
exploitation probability
2.5%top 15% of all CVEs
observed exploitation
yesVulnCheck
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.
Affected products
n/a · n/a
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=JSA10713https://adamcaudill.com/2015/12/17/much-ado-about-juniper/https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554https://github.com/hdm/juniper-cve-2015-7755http://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/640184http://www.securitytracker.com/id/1034489http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/