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CVE-2022-3369· NVD / CVE Program· CNA Bitdefender

Improper handling of registry symbolic links in Bitdefender Engines

An Improper Access Control vulnerability in the bdservicehost.exe component, as used in Bitdefender Engines for Windows, allows an attacker to delete privileged registry keys by pointing a Registry symlink to a privileged key. This issue affects: Bitdefender Engines versions prior to 7.92659. It also affects Bitdefender Antivirus Free, Bitdefender Antivirus Plus, Bitdefender Internet Security, Bitdefender Total Security, as well as Bitdefender Endpoint Security Tools for Windows with engine versions prior to 7.92659.

MediumCVSS 5.5 · v3.1—No exploit No fix recorded
Published
Nov 1, 2022
Updated
Jun 17, 2026
EPSS
0.2% · 8th percentile
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Report tools

JSON

Action score

22

Monitor

Low priority for now.

CVSS
22 / 40 · 5.5 / 10
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
5.5
CNA · Bitdefender
8.6
3.1 point gap

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Noroxi analysis

No Noroxi analysis for this record yet

We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.

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Affected systems

VendorProduct
bitdefenderengines

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • bitdefender enginesbefore 7.92659

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Bitdefender). Independent of NVD's CPE analysis and usually ahead of it.

  • Bitdefender Engines

    • unspecified and later · before 7.92659affected

Same product

bitdefender: all records

Other highest-scoring records for the same primary product.

  • CVE-2023-3633Out of Bounds Memory Corruption Issue in CEVA Engine
    30Monitor
  • CVE-2020-8110Bitdefender ceva_emu.cvd module denial-of-service (VA-8766)
    30Monitor
  • CVE-2020-8109Bitdefender ace.xmd parser out-of-bounds write (VA-8772)
    30Monitor
  • CVE-2020-8100Incomplete validation in detection code in Bitdefender Engines (VA-8589)
    30Monitor
  • CVE-2020-15731Local Privilege Escalation in Bitdefender Engines (VA-8953)
    14Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

Technical details

Attack conditions

  • Someone with local access to the system can trigger it.
  • No account or password is required.
  • A user must open a link or visit a page.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
none
Integrity
high · data or configuration can be modified
Availability
none
Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality impact
None
Integrity impact
High
Availability impact
None

Weakness class (CWE)

CWE-269 · Improper Privilege Management

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N

nvd-primary

Root cause

To simplify setup, a service account is granted broad, cluster-wide permissions. The principle of least privilege is skipped during installation.

The bug in code

The whole CWE-269 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

yaml
kind: ClusterRolerules:  - apiGroups: ["*"]    resources: ["*"]    verbs: ["*"]

Fixed

yaml
kind: Rolemetadata:  namespace: lodos-systemrules:  - apiGroups: ["apps"]    resources: ["deployments"]    verbs: ["get", "list", "update"]

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

Change log

No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.

References

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records