FedoraOperating system · Fedoraproject
CVE-2021-0232
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 · uneditedAn authentication bypass vulnerability in the Juniper Networks Paragon Active Assurance Control Center may allow an attacker with specific information about the deployment to mimic an already registered Test Agent and access its configuration including associated inventory details. If the issue occurs, the affected Test Agent will not be able to connect to the Control Center. This issue affects Juniper Networks Paragon Active Assurance Control Center All versions prior to 2.35.6; 2.36 versions prior to 2.36.2.
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 confidenceAuthentication bypass in Juniper Paragon Active Assurance Control Center allows an attacker with specific deployment knowledge to mimic a registered Test Agent and access its configuration and inventory data. The attacker exploits how Test Agent registration/initialization is handled, enabling unauthorized access to sensitive configuration information.
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
FedoraOperating system
= 35< 2.35.6>= 2.36, < 2.36.2CVSS 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
- High
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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 Juniper Paragon Active Assurance Control Center installationLocate the Control Center installation by searching for 'paragon' or 'control center' related processes, services, or installation directories on the systemAffected if The software is present on the system
-
Determine Control Center versionUse the product's built-in version reporting mechanism (typically available via web UI, CLI tool, or package manager) and compare the installed version against the affected ranges: < 2.35.6 or >= 2.36.0 and < 2.36.2Affected if The installed version falls within < 2.35.6 or >= 2.36.0 and < 2.36.2
-
Verify Test Agent registration feature is accessibleCheck if the Test Agent registration interface or API endpoint is exposed and accessible on the Control CenterAffected if Test Agent registration functionality is enabled and reachable on the network
-
Examine logs for unauthorized Test Agent connectionsReview Control Center authentication and connection logs for any Test Agent registrations or connections that were not initiated by legitimate administratorsAffected if Logs show Test Agent registrations from unknown sources or unexpected registration attempts
A system is affected if it runs Juniper Paragon Active Assurance Control Center with a version below 2.35.6 or between 2.36.0 and 2.36.1, and has Test Agent registration 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 data2.35.62.36.2
Upgrade to version 2.35.6 or later, or 2.36.2 or later depending on the major release branch. Review logs for unauthorized Test Agent connection attempts and re-register any affected Test Agents that lost connectivity.
Fix this in Fedora
Scoped from the published advisory
- Consultation3.0 h
- Implementation4.0 h
- Testing3.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $3,408.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2021-0232 — 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-2021-0232 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