CVE-2021-0266

cSRX: Use of Hard-coded Cryptographic Keys allows an attacker to take control of the device through device management services.

Published Apr 22, 2021 CVSS 3.1 · 8.1 High EPSS < 1% KEV · Not listed
Description
The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment through device management services. This issue affects: Juniper Networks Junos OS on cSRX Series: All versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2.

Remediation

Vendor Solution

The following software releases have been updated to resolve this specific issue: 20.2R3, 20.3R2, 20.4R2, 21.1R1, and all subsequent releases.


Vendor Workaround

There are no viable workarounds for this issue. To reduce the risk of exploitation of this issue, use access lists or firewall filters to limit access to the cSRX instance to only trusted administrative networks, hosts and users.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-2885 The use of multiple hard-coded cryptographic keys in cSRX Series software in Juniper Networks Junos OS allows an attacker to take control of any instance of a cSRX deployment through device management services. This issue affects: Juniper Networks Junos OS on cSRX Series: All versions prior to 20.2R3; 20.3 versions prior to 20.3R2; 20.4 versions prior to 20.4R2.
References
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
juniper
Published
Updated
Sep 17, 2024, 3:13 AM
Reserved
Oct 27, 2020, 12:00 AM
Status
Modified
Published
Apr 22, 2021, 8:15 PM
Modified
Jun 17, 2026, 3:29 AM