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CVE-2020-12143: The certificate used to identify Orchestrator to EdgeConnect devices is not validated, which makes it possible

33
Routine
MEDIUM 6.0WATCHLISTMITIGATEMITIGATEMITIGATE

CVE-2020-12143 is a medium-severity flaw (CVSS 6.0) affecting unity edgeconnect for amazon web services, unity edgeconnect for azure, unity edgeconnect for google cloud platform. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The certificate used to identify Orchestrator to EdgeConnect devices is not validated, which makes it possible for someone to establish a TLS connection from EdgeConnect to an untrusted Orchestrator.

Why this priority

  • On your watchlist

A fixed release or distro patch exists.

Risk facts

CVSS score6.0 (Medium)
Attack vectorNetwork (remote)
Attack complexityHigh
Privileges neededHigh
User interactionRequired
EPSS exploit chance0.3% (top 73%)
CISA exploited listNo
WeaknessCWE-295
Published2020-05-05
Last modified2026-06-17
Publisher (CNA): Silver Peak Systems, Inc. · Vendor: silver-peak

Share: LinkedIn · X · Reddit

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

Am I affected?

Timeline

silver-peak unity edgeconnect for amazon web services MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy unity-edgeconnect-for-amazon-web-services || rpm -q unity-edgeconnect-for-amazon-web-services || unity-edgeconnect-for-amazon-web-services --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
silver-peak unity edgeconnect for azure MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy unity-edgeconnect-for-azure || rpm -q unity-edgeconnect-for-azure || unity-edgeconnect-for-azure --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
silver-peak unity edgeconnect for google cloud platform MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy unity-edgeconnect-for-google-cloud-platform || rpm -q unity-edgeconnect-for-google-cloud-platform || unity-edgeconnect-for-google-cloud-platform --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
silver-peak unity orchestrator UPGRADE
Affected: < 8.9.2
Fixed in: 8.9.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy unity-orchestrator || rpm -q unity-orchestrator || unity-orchestrator --version
2. UPGRADE to 8.9.2 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade unity-orchestrator
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade unity-orchestrator
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
silver-peak vx-500 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
silver-peak vx-1000 firmware MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2020-12143?

unity edgeconnect for amazon web services: mitigate or apply the listed mitigation; unity edgeconnect for azure: mitigate or apply the listed mitigation; unity edgeconnect for google cloud platform: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2020-12143 being exploited?

CVE-2020-12143 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-2020-12143 affect?

CVE-2020-12143 affects unity edgeconnect for amazon web services, unity edgeconnect for azure, unity edgeconnect for google cloud platform. Severity is medium (CVSS 6.0). The certificate used to identify Orchestrator to EdgeConnect devices is not validated, which makes it possible for someone to establish a TLS connection from EdgeConnect to an untrusted Orchestrator.

How urgent is CVE-2020-12143?

Priority 33/100. On your watchlist

Software pages

Azure vulnerabilities · Unity vulnerabilities · AWS vulnerabilities · Google Cloud vulnerabilities

Related CVEs

References

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