CVE-2020-12146: In Silver Peak Unity Orchestrator versions prior to 8.9.11+, 8.10.11+, or 9.0.1+, an authenticated user can ac

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MEDIUM 6.6DOWNGRADE

CVE-2020-12146 is a medium-severity flaw (CVSS 6.6) affecting unity orchestrator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

In Silver Peak Unity Orchestrator versions prior to 8.9.11+, 8.10.11+, or 9.0.1+, an authenticated user can access, modify, and delete restricted files on the Orchestrator server using the/debugFiles REST API.

Why this priority

EPSS top 2%: very likely to be exploited

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.6 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	High
User interaction	None
EPSS exploit chance	27.6% (top 2%)
CISA exploited list	No
Weakness	CWE-22
Published	2020-11-05
Last modified	2026-06-17

Publisher (CNA): Silver Peak Systems, Inc. · Vendor: silver-peak

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2020-11-05 19:15 UTCPublished CVE record published
2026-06-17 02:51 UTCUpdated Record last modified

silver-peak unity orchestrator DOWNGRADE

Affected: < 8.9.11\+ · >= 8.10 and < 8.10.11\+ · >= 9.0 and < 9.0.1\+

Fixed in: 8.9.11\+, 8.10.11\+, 9.0.1\+

Safe to downgrade to: a release before 8.10

1. Check installed version

apt-cache policy unity-orchestrator || rpm -q unity-orchestrator || unity-orchestrator --version

2. No fixed release: DOWNGRADE to a release before 8.10 (Debian / Ubuntu)

apt-cache madison unity-orchestrator sudo apt install unity-orchestrator=<VERSION_BEFORE_8.10> sudo apt-mark hold unity-orchestrator

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list unity-orchestrator sudo dnf downgrade unity-orchestrator-<VERSION_BEFORE_8.10> sudo dnf versionlock add unity-orchestrator

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2020-12146?

unity orchestrator: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-12146 being exploited?

CVE-2020-12146 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2020-12146 affect?

CVE-2020-12146 affects unity orchestrator. Severity is medium (CVSS 6.6). In Silver Peak Unity Orchestrator versions prior to 8.9.11+, 8.10.11+, or 9.0.1+, an authenticated user can access, modify, and delete restricted files on the Orchestrator server using the/debugFiles REST API.

How urgent is CVE-2020-12146?

Priority 48/100. EPSS top 2%: very likely to be exploited

Software pages

Unity vulnerabilities

Related CVEs

CVE-2020-12147 MEDIUM 6.6 DOWNGRADE In Silver Peak Unity Orchestrator versions prior to 8.9.11+, 8.10.11+, or 9.0.1+, an authenticated user can ma
CVE-2020-12145 MEDIUM 6.6 DOWNGRADE Silver Peak Unity Orchestrator versions prior to 8.9.11+, 8.10.11+, or 9.0.1+ uses HTTP headers to authenticat
CVE-2020-12144 MEDIUM 6.0 MITIGATE MITIGATE The certificate used to identify the Silver Peak Cloud Portal to EdgeConnect devices is not validated
CVE-2020-12143 MEDIUM 6.0 MITIGATE MITIGATE The certificate used to identify Orchestrator to EdgeConnect devices is not validated, which makes it possible
CVE-2020-12142 MEDIUM 4.8 MITIGATE MITIGATE 1

References

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