Logo
-

Byte Open Security

(ByteOS Network)

Log In

Sign Up

ByteOS

Security
Vulnerability Details
Registries
Custom Views
Weaknesses
Attack Patterns
Filters & Tools
NVD Vulnerability Details :
CVE-2015-7755
Analyzed
More InfoOfficial Page
Source-cve@mitre.org
View Known Exploited Vulnerability (KEV) details
Published At-19 Dec, 2015 | 14:59
Updated At-21 Apr, 2026 | 16:27

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
2025-10-022025-10-23Juniper ScreenOS Improper Authentication VulnerabilityApply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Date Added: 2025-10-02
Due Date: 2025-10-23
Vulnerability Name: Juniper ScreenOS Improper Authentication Vulnerability
Required Action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Metrics
TypeVersionBase scoreBase severityVector
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Secondary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.010.0HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Secondary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 10.0
Base severity: HIGH
Vector:
AV:N/AC:L/Au:N/C:C/I:C/A:C
CPE Matches

Juniper Networks, Inc.
juniper
>>screenos>>6.3.0
cpe:2.3:o:juniper:screenos:6.3.0:r17:*:*:*:*:*:*
Juniper Networks, Inc.
juniper
>>screenos>>6.3.0
cpe:2.3:o:juniper:screenos:6.3.0:r18:*:*:*:*:*:*
Juniper Networks, Inc.
juniper
>>screenos>>6.3.0
cpe:2.3:o:juniper:screenos:6.3.0:r19:*:*:*:*:*:*
Juniper Networks, Inc.
juniper
>>screenos>>6.3.0
cpe:2.3:o:juniper:screenos:6.3.0:r20:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-287Primarynvd@nist.gov
CWE-287Secondary134c704f-9b21-4f2e-91b3-4a467353bcc0
CWE ID: CWE-287
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-287
Type: Secondary
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/cve@mitre.org
Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713cve@mitre.org
Exploit
Vendor Advisory
http://twitter.com/cryptoron/statuses/677900647560253442cve@mitre.org
Broken Link
http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/cve@mitre.org
Permissions Required
http://www.kb.cert.org/vuls/id/640184cve@mitre.org
Third Party Advisory
http://www.securityfocus.com/bid/79626cve@mitre.org
Broken Link
http://www.securitytracker.com/id/1034489cve@mitre.org
Broken Link
http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/cve@mitre.org
Third Party Advisory
https://adamcaudill.com/2015/12/17/much-ado-about-juniper/cve@mitre.org
Third Party Advisory
https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554cve@mitre.org
Vendor Advisory
https://github.com/hdm/juniper-cve-2015-7755cve@mitre.org
Third Party Advisory
http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713af854a3a-2127-422b-91ae-364da2661108
Exploit
Vendor Advisory
http://twitter.com/cryptoron/statuses/677900647560253442af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/af854a3a-2127-422b-91ae-364da2661108
Permissions Required
http://www.kb.cert.org/vuls/id/640184af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
http://www.securityfocus.com/bid/79626af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.securitytracker.com/id/1034489af854a3a-2127-422b-91ae-364da2661108
Broken Link
http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://adamcaudill.com/2015/12/17/much-ado-about-juniper/af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
https://github.com/hdm/juniper-cve-2015-7755af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-7755134c704f-9b21-4f2e-91b3-4a467353bcc0
US Government Resource
Hyperlink: http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713
Source: cve@mitre.org
Resource:
Exploit
Vendor Advisory
Hyperlink: http://twitter.com/cryptoron/statuses/677900647560253442
Source: cve@mitre.org
Resource:
Broken Link
Hyperlink: http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
Source: cve@mitre.org
Resource:
Permissions Required
Hyperlink: http://www.kb.cert.org/vuls/id/640184
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: http://www.securityfocus.com/bid/79626
Source: cve@mitre.org
Resource:
Broken Link
Hyperlink: http://www.securitytracker.com/id/1034489
Source: cve@mitre.org
Resource:
Broken Link
Hyperlink: http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
Source: cve@mitre.org
Resource:
Vendor Advisory
Hyperlink: https://github.com/hdm/juniper-cve-2015-7755
Source: cve@mitre.org
Resource:
Third Party Advisory
Hyperlink: http://arstechnica.com/security/2015/12/unauthorized-code-in-juniper-firewalls-decrypts-encrypted-vpn-traffic/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10713
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Exploit
Vendor Advisory
Hyperlink: http://twitter.com/cryptoron/statuses/677900647560253442
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Broken Link
Hyperlink: http://www.forbes.com/sites/thomasbrewster/2015/12/18/juniper-says-it-didnt-work-with-government-to-add-unauthorized-code-to-network-gear/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Permissions Required
Hyperlink: http://www.kb.cert.org/vuls/id/640184
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: http://www.securityfocus.com/bid/79626
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Broken Link
Hyperlink: http://www.securitytracker.com/id/1034489
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Broken Link
Hyperlink: http://www.wired.com/2015/12/juniper-networks-hidden-backdoors-show-the-risk-of-government-backdoors/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://adamcaudill.com/2015/12/17/much-ado-about-juniper/
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://forums.juniper.net/t5/Security-Incident-Response/Important-Announcement-about-ScreenOS/ba-p/285554
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Vendor Advisory
Hyperlink: https://github.com/hdm/juniper-cve-2015-7755
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Hyperlink: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2015-7755
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
US Government Resource
Change History
0Changes found

Details not found