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SSG-520M-SH-N-TAA

Announced in: SSG 140 SSG 300 SSG 500 Series

Juniper Chassis · SSG Series

High confidence Official Juniper notice ↗ Verified
SSG-520M-SH-N-TAA is dead. Juniper support ended (-1219d). Last available for order .

Is the SSG-520M-SH-N-TAA still supported?

No. Juniper ended support for the SSG 140 SSG 300 SSG 500 Series on 2022-12-31. No further security fixes will be issued. See Juniper's lifecycle bulletin.

When does the SSG-520M-SH-N-TAA reach end of support?

Juniper support for the SSG 140 SSG 300 SSG 500 Series ends on 2022-12-31.

What replaces the SSG-520M-SH-N-TAA?

Juniper has not published a successor model for the SSG 140 SSG 300 SSG 500 Series.

What known-exploited CVEs apply to the SSG-520M-SH-N-TAA past end of support?

7 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform the SSG 140 SSG 300 SSG 500 Series runs. These will not be patched on this device because it is past the Juniper security-support date. See the Known Exploited Vulnerabilities table below for the full list.

Known Exploited Vulnerabilities

This device is past Juniper's security-support date. 7 CVEs in CISA's Known Exploited Vulnerabilities catalog apply to the platform it runs. Juniper is not issuing patches for this model. Isolate, compensate, or refresh.

CVE KEV added Vulnerability Flags
CVE-2025-21590 Juniper Junos OS Improper Isolation or Compartmentalization Vulnerability
CVE-2023-36844 Juniper Junos OS EX Series PHP External Variable Modification Vulnerability
CVE-2023-36845 Juniper Junos OS EX Series and SRX Series PHP External Variable Modification Vulnerability
CVE-2023-36846 Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
CVE-2023-36847 Juniper Junos OS EX Series Missing Authentication for Critical Function Vulnerability
CVE-2023-36851 Juniper Junos OS SRX Series Missing Authentication for Critical Function Vulnerability
CVE-2020-1631 Juniper Junos OS Path Traversal Vulnerability

Source: CISA Known Exploited Vulnerabilities catalog. The Ransomware flag reflects CISA's own knownRansomwareCampaignUse field, set when the CVE has been observed in ransomware campaigns per their threat intel. It's not a property of the vulnerability description itself.

Correlation is at the platform level, not per-OS-version. Not exhaustive: KEV only lists actively-exploited CVEs and many relevant unexploited vulnerabilities are not here. Verify against vendor security advisories (PSIRT, JSA, PAN-SA) and NVD before acting. See compensating controls if refresh isn't immediate.

SSG-520M-SH-N-TAA Lifecycle Overview

The Juniper SSG-520M-SH-N-TAA (SSG-520M-SH-N-TAA) is a chassis product in the Juniper SSG series. This product has reached end of life as of , meaning Juniper no longer provides technical support, software updates, or hardware replacement for this product. It was last available for purchase on . Organizations still running the SSG-520M-SH-N-TAA should plan a migration .

Lifecycle Milestones

Lifecycle notice published 10y 9mo ago
End of sale 10y 3mo ago
Last date of support 3y 4mo ago

Additional Dates

Last Warranty Conversion Date 9y 3mo ago
Same Day Support Discontinued Date 8y 3mo ago
Applicable Platforms
SSG
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