CVE-2020-7034
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedA command injection vulnerability in Avaya Session Border Controller for Enterprise could allow an authenticated, remote attacker to send specially crafted messages and execute arbitrary commands with the affected system privileges. Affected versions of Avaya Session Border Controller for Enterprise include 7.x, 8.0 through 8.1.1.x
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceA command injection vulnerability exists in Avaya Session Border Controller for Enterprise. An authenticated, remote attacker can send specially crafted messages to execute arbitrary commands with the affected system's privileges. The vulnerability affects versions 7.x and 8.0 through 8.1.1.x.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data>= 7.0, < 8.1.2.0CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
-
Identify Avaya Session Border Controller installationLocate the Avaya Session Border Controller for Enterprise system on your network. This is typically a dedicated appliance or virtual machine for VoIP/SIP trunking. Check your asset inventory or network scans for devices running this product.Affected if The system is running Avaya Session Border Controller for Enterprise software.
-
Determine installed software versionAccess the administration interface or CLI of the Avaya Session Border Controller. Look for the version number in the system information, about page, or by running 'show version' or similar command in the CLI. Compare this version against the affected range: 7.0 through 8.1.1.x (all versions >= 7.0 and < 8.1.2.0).Affected if The installed version is 7.x, 8.0.x, or 8.1.0.x / 8.1.1.x (anything from 7.0 up to but not including 8.1.2.0).
-
Verify remote management interface exposureCheck network configuration to determine if the Avaya SBeC management interface (typically ports 443, 22, or SIP ports) is exposed to untrusted networks or the public internet. Review firewall rules, NAT configurations, and access control lists.Affected if The management interface is reachable from untrusted networks or the internet, enabling remote attackers to reach the authentication portal.
-
Confirm authentication is enforcedReview the Avaya SBeC security settings to verify that authentication is required for accessing the management interface. Check that default credentials have been changed and that strong password policies are in place.Affected if The system allows unauthenticated access to management interfaces, or uses weak/default credentials that could be easily compromised.
-
Review system logs for suspicious command activityExamine system logs, audit logs, and command history on the Avaya SBeC for unexpected or unauthorized commands, especially those involving shell execution, file manipulation, or network connections to unexpected external hosts.Affected if Logs show unexpected commands, especially those indicating shell invocation, script execution, or unauthorized administrative actions.
You are affected if the Avaya Session Border Controller for Enterprise is running any version from 7.0 through 8.1.1.x and has its management interface accessible to potential attackers.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor data8.1.2.0
Apply available vendor patches for Avaya Session Border Controller for Enterprise. Until patched, restrict network access to the management interface to trusted sources only and monitor for unusual command execution activity.
- Consultation6.0 h
- Implementation12.0 h
- Testing10.0 h
- Review / QA6.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $9,504.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-7034 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-7034 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
Be the first to add a field note for this CVE — a mitigation you’ve verified, a version caveat, or a link to a working fix. Sign in above to contribute.
A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
- No spam, self-promotion, credentials, or personal data