HIGH
Juniper ScreenOS before 6.3.0r21, when ssh-pka is configured and enabled, allows remote attackers to cause a denial of service (system crash) or execute arbitrary code via crafted SSH negotiation
Published Jan 8, 2016
8.1
HIGHCVSS 3.0
EPSS 3.85%
Description
Juniper ScreenOS before 6.3.0r21, when ssh-pka is configured and enabled, allows remote attackers to cause a denial of service (system crash) or execute arbitrary code via crafted SSH negotiation.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
8.1 HIGH NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
9.3 HIGH NVD
AV:N/AC:M/Au:N/C:C/I:C/A:C
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Complete
Integrity Impact Complete
Availability Impact Complete
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
3.85% 0.03855
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.03855
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.85% (0.03855) | 89.83th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.85% (0.03855) | 88.76th | v5 (v2026.06.15) |
| Dec 25, 2025 | 1.22% (0.01223) | 78.65th | v4 (v2025.03.14) |
| Mar 30, 2025 | 2.94% (0.02935) | 85.21th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.64% (0.05643) | 83.52th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.94% (0.02935) | 85.51th | v4 (v2025.03.14) |
| Dec 17, 2024 | 2.96% (0.02962) | 90.62th | v3 (v2023.03.01) |
| Feb 7, 2024 | 5.18% (0.05181) | 92.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 5.07% (0.05070) | 91.64th | v3 (v2023.03.01) |
| Mar 6, 2023 | 3.79% (0.03795) | 85.54th | v2 (v2022.01.01) |
| Apr 1, 2022 | 3.79% (0.03795) | 84.06th | v2 (v2022.01.01) |
| Feb 4, 2022 | 3.79% (0.03795) | 67.25th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10712 x_refsource_CONFIRMVendor Advisory
- http://www.securityfocus.com/bid/79627 vdb-entryx_refsource_BID
- http://www.securitytracker.com/id/1034490 vdb-entryx_refsource_SECTRACK
| Link | Providers | Tags |
|---|---|---|
| http://kb.juniper.net/InfoCenter/index?page=content&id=JSA10712 | x_refsource_CONFIRMVendor Advisory | |
| http://www.securityfocus.com/bid/79627 | vdb-entryx_refsource_BID | |
| http://www.securitytracker.com/id/1034490 | vdb-entryx_refsource_SECTRACK |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 8, 2016
Updated Aug 6, 2024
Reserved Oct 8, 2015
Link CVE-2015-7754
CISA Vulnrichment
Updated n/a