Security readout for executives and security teams
Plain-English summary
CVE-2019-20461 describes an authentication design flaw in Alecto IVM-100 cameras. The reported UDP control protocol can establish video and audio sessions using only an encoded device UID, with authentication handled on the client side. Internet-exposed cameras could therefore expose live services without server-side credential verification.
Executive priority
Prioritize this as critical for any exposed Alecto IVM-100 camera. The business risk is unauthorized access to camera audio/video and possible device control. If devices cannot be verified as isolated or remediated, plan rapid containment or replacement.
Technical view
The device uses a custom UDP protocol for video and audio service control. Public reporting says the protocol does not transfer a username or password, and sessions can be established over the Internet with the encoded UID. The CVSS 3.1 score is 9.8, reflecting network access, no privileges, no user interaction, and high CIA impact.
Likely exposure
Exposure is most likely where Alecto IVM-100 cameras are deployed with Internet-reachable remote access or permissive UDP paths. The CVE metadata does not provide normalized CPEs, exact firmware ranges, ports, patch status, or deployment prevalence, so asset inventory is essential.
Exploitation context
The sources describe a remotely reachable authentication weakness but do not state active exploitation. CISA KEV status is false in the supplied bundle. The public reference indicates protocol reverse engineering, but this assessment does not rely on exploit instructions.
Researcher notes
Evidence supports a client-side authentication failure in a custom UDP protocol, but affected version data is sparse. The CVE lists Alecto IVM-100 2019-11-12 devices while structured affected fields are n/a. No patch, fixed version, port details, or confirmed exploitation are provided in the bundle.
Mitigation direction
- Identify any Alecto IVM-100 cameras in use.
- Remove direct Internet exposure where operationally possible.
- Restrict camera UDP traffic to trusted networks or VPN access.
- Check Alecto guidance for firmware, support, or replacement options.
- Treat unsupported exposed devices as candidates for retirement.
Validation and detection
- Inventory camera models and deployment locations.
- Confirm whether any IVM-100 devices are Internet reachable.
- Review firewall rules for permissive camera UDP access.
- Determine whether remote access depends only on encoded UIDs.
- Check available logs for unexpected remote sessions.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-295: Exact CWE lookup
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Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2019-20461 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.alecto.nl/CVE reference
- 20240729 Bunch of IoT CVEsCVE reference · mailing-list
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Certificate Validation
Improper Certificate Validation represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.