CVE-2005-2298
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 · uneditedBitDefender Engine 1.6.1 and earlier does not properly scan all attachments, which allows remote attackers to bypass virus scanning via begin and end commands in the body of the e-mail, which BitDefender treats as a uuencoded attachment and stops scanning afterwards.
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 confidenceBitDefender Antivirus Engine 1.6.1 and earlier can be bypassed by embedding 'begin' and 'end' commands in the email body, which the engine incorrectly interprets as uuencoded attachment boundaries. Upon detecting what it believes is a uuencoded attachment, the engine stops scanning the remainder of the message, allowing malicious payloads to pass through undetected.
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<= 1.6.1CVSS 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
- Authentication
- None
- Confidentiality
- None
- Integrity
- Partial
- Availability
- None
AV:N/AC:L/Au:N/C:N/I:P/A:N
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.
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Identify if BitDefender Engine is in useLocate the BitDefender installation directory and identify engine components (bdscan.exe, bdxscan.dll, or similar engine files)Affected if BitDefender engine components are present in the environment
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Determine the BitDefender Engine versionRight-click on the main BitDefender engine DLL or executable, select Properties, and check the File Version field; alternatively, run 'bdscan --version' or check the About section in the BitDefender GUIAffected if The reported version is 1.6.1 or any version lower than 1.6.1
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Confirm email scanning is enabledOpen BitDefender configuration and verify that email scanning/filtering is turned on in the on-access or mail gateway settingsAffected if Email scanning is active and the engine version is 1.6.1 or earlier
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Verify the vulnerability condition existsCreate a test email containing 'begin' followed by random data and 'end' markers, then scan it with the BitDefender engine to confirm the content after 'begin' is not scannedAffected if The engine skips scanning content appearing after the 'begin' marker when it encounters uuencoded-like boundaries
You are affected if the BitDefender Engine version is 1.6.1 or earlier AND email scanning is enabled in your environment.
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 dataUpgrade the BitDefender Engine to a version newer than 1.6.1, or implement additional email gateway scanning/filtering layers as a compensating control until the upgrade can be applied.
- Consultation2.0 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 $1,984.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2005-2298 — 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-2005-2298 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
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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