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CVE-2020-12148: A command injection flaw identified in the nslookup API in Silver Peak Unity ECOSTM (ECOS) appliance software

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MEDIUM 6.8UPGRADE

CVE-2020-12148 is a medium-severity flaw (CVSS 6.8) affecting edgeconnect enterprise. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A command injection flaw identified in the nslookup API in Silver Peak Unity ECOSTM (ECOS) appliance software could allow an attacker to execute arbitrary commands with the privileges of the web server running on the EdgeConnect appliance. An attacker could exploit this vulnerability to establish an interactive channel, effectively taking control of the target system. This vulnerability can be exploited by an attacker with authenticated access to

Why this priority

  • No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score6.8 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededHigh
User interactionRequired
EPSS exploit chance2.1% (top 18%)
CISA exploited listNo
WeaknessCWE-78
Published2020-12-11
Last modified2026-06-17
Publisher (CNA): Silver Peak Systems, Inc. · Vendor: arubanetworks

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

Am I affected?

Timeline

arubanetworks edgeconnect enterprise UPGRADE
Affected: >= 8.1 and < 8.1.9.15 · >= 8.3.0 and < 8.3.0.8 · >= 8.3.1 and < 8.3.1.2 · >= 9.0 and < 9.0.2.0
Fixed in: 8.1.9.15, 8.3.0.8, 8.3.1.2, 9.0.2.0
Safe to downgrade to: a release before 8.1
1. Check installed version
apt-cache policy edgeconnect-enterprise || rpm -q edgeconnect-enterprise || edgeconnect-enterprise --version
2. UPGRADE to 8.1.9.15 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade edgeconnect-enterprise
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade edgeconnect-enterprise
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 8.1 (Debian / Ubuntu)
apt-cache madison edgeconnect-enterprise sudo apt install edgeconnect-enterprise=<VERSION_BEFORE_8.1> sudo apt-mark hold edgeconnect-enterprise
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list edgeconnect-enterprise sudo dnf downgrade edgeconnect-enterprise-<VERSION_BEFORE_8.1> sudo dnf versionlock add edgeconnect-enterprise
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-2020-12148?

edgeconnect enterprise: upgrade to 8.1.9.15, 8.3.0.8, 8.3.1.2, 9.0.2.0. Exact commands for each OS are on this page.

Is CVE-2020-12148 being exploited?

CVE-2020-12148 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-2020-12148 affect?

CVE-2020-12148 affects edgeconnect enterprise. Severity is medium (CVSS 6.8). A command injection flaw identified in the nslookup API in Silver Peak Unity ECOSTM (ECOS) appliance software could allow an attacker to execute arbitrary commands with the privileges of the web server running on the EdgeConnect appliance.

How urgent is CVE-2020-12148?

Priority 44/100. No elevated risk signals yet.

Software pages

Unity vulnerabilities

Related CVEs

References

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