Endpoint Security ToolsApplication · Bitdefender
CVE-2022-0677
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 · uneditedImproper Handling of Length Parameter Inconsistency vulnerability in the Update Server component of Bitdefender Endpoint Security Tools (in relay role), GravityZone (in Update Server role) allows an attacker to cause a Denial-of-Service. This issue affects: Bitdefender Update Server versions prior to 3.4.0.276. Bitdefender GravityZone versions prior to 26.4-1. Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.171. Bitdefender Endpoint Security Tools for Windows versions prior to 7.4.1.111.
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 confidenceImproper Handling of Length Parameter Inconsistency vulnerability in the Update Server component of Bitdefender Endpoint Security Tools (relay role), GravityZone (Update Server role) allows an attacker to cause a Denial-of-Service via malformed requests due to improper validation of length parameters during parsing.
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
Endpoint Security ToolsApplication
< 6.2.21.171< 7.4.1.111< 26.4-1< 3.4.0.276CVSS 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
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- None
- Integrity
- None
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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 installed Bitdefender productLocate which Bitdefender product is installed on the system: BEST for Linux, BEST for Windows, GravityZone, or standalone Update Server. Check installed programs or running services for BDULL, GravityZone, or update server components.Affected if Any of these Bitdefender products are installed and the Update Server/relay role is active
-
Check BEST for Linux versionRun command to retrieve installed BEST for Linux version (such as 'rpm -q bdliveprotect' or checking /opt/Bitdefender/etc/VERSION), then compare against affected versions 6.2.21.171 and 7.4.1.111.Affected if Installed version is below 6.2.21.171 or below 7.4.1.111 (depending on the product branch) AND the relay role is enabled
-
Check BEST for Windows versionOpen Windows Programs and Features or run 'wmic product get name,version' to find Bitdefender Endpoint Security Tools version, then compare against affected versions 6.2.21.171 and 7.4.1.111.Affected if Installed version is below 6.2.21.171 or below 7.4.1.111 AND the relay role is enabled
-
Check GravityZone versionAccess GravityZone control console or check the appliance version, then compare against affected version 26.4-1.Affected if GravityZone version is below 26.4-1 AND the Update Server role is enabled in the environment
-
Check Update Server versionLocate the standalone Bitdefender Update Server installation and retrieve its version number, then compare against affected version 3.4.0.276.Affected if Update Server version is below 3.4.0.276
A system is affected if it runs any of the listed Bitdefender products below the specified version thresholds AND has the Update Server or relay role component enabled and exposed to network requests.
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.
dbcve · scoped3.4.0.2766.2.21.1717.4.1.111
Upgrade to Bitdefender Update Server 3.4.0.276, GravityZone 26.4-1, BEST for Linux 6.2.21.171, or BEST for Windows 7.4.1.111 (or later) to remediate the vulnerability.
Update Server: 3.4.0.276 | GravityZone: 26.4-1 | Endpoint Security Tools for Linux: 6.2.21.171 | Endpoint Security Tools for Windows: 7.4.1.111
- Identify which Bitdefender product(s) are deployed in your environment: Endpoint Security Tools for Linux, Endpoint Security Tools for Windows, GravityZone, or Update Server
- Locate the Bitdefender management console or admin interface for your deployment
- Navigate to the software update or version management section
- Check current installed versions against the affected versions: Update Server < 3.4.0.276, GravityZone < 26.4-1, Endpoint Security Tools for Linux < 6.2.21.171, Endpoint Security Tools for Windows < 7.4.1.111
- Download the appropriate fixed version from Bitdefender's official download portal or repository
- Schedule a maintenance window to apply the update, as recommended for security patches
- Apply the update to the affected component(s) following Bitdefender's standard upgrade documentation
- Verify the installation completed successfully and the version matches the fixed release
Generated from the published advisory — verify against the referenced sources before acting.
Fix this in Endpoint Security Tools
Scoped from the published advisory
- Consultation1.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $1,664.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2022-0677 — 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-2022-0677 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