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CVE-2015-7755Juniper ScreenOS Improper Authentication Vulnerability

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.

9.8 CRITICALEPSS 61.13%⚡ Known Exploited (CISA KEV)NVD: Analyzed

OverviewAffected ProductsReferences
NVD CVE.org

Overview

Severity

ScoreSeverityVersionVector String
9.8CRITICAL3.1NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
10.0HIGH2.0NVDAV:N/AC:L/Au:N/C:C/I:C/A:C

CISA required action

⚡ Known exploited · remediation due Oct 23, 2025

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Details

CVE ID
CVE-2015-7755
Status
Analyzed
Assigner (CNA)
mitre
Published
Dec 19, 2015
Last modified
2026-06-17 00:33 UTC
Weaknesses

Sources

Refreshed hourly from the sources above. Last fetched 2026-11-08 10:57 UTC.