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CVE Record

CVE-2017-20038: SICUNET Access Controller card_scan_decoder.php privileges management

A vulnerability was found in SICUNET Access Controller 0.32-05z and classified as critical. Affected by this issue is some unknown functionality of the file card_scan_decoder.php. The manipulation of the argument No/door leads to privilege escalation. The attack may be launched remotely.

MediumCVSS 6.3Not KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

CVE-2017-20038 affects SICUNET Access Controller 0.32-05z. A remote, already-authenticated user may be able to gain higher privileges through card_scan_decoder.php handling. This matters most where SICUNET systems support physical access or related security workflows, because weakened authorization can affect confidentiality, integrity, and availability. Exposure appears limited to organizations running SICUNET Access Controller version 0.32-05z, especially if the web interface is reachable from user networks or the internet. The source bundle does not identify other affected versions, CPEs, deployment defaults, or vendor patch status. Prioritize within normal vulnerability remediation, escalating if SICUNET controls critical facilities or is externally reachable. The issue is not KEV-listed in the supplied data, but privilege escalation in an access-control product can have operational impact. Mitigation focus: Check SICUNET or maintainer guidance for a supported fixed version or configuration change.; Restrict Access Controller web access to trusted administrative networks only.; Remove internet exposure for controller management interfaces where possible..

Prepared

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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cwe · medium confidence lookup

CWE-269: Authorization and privilege behavior lookup

Authorization weaknesses can support privilege escalation and valid-account review, depending on exploit path. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

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description · low confidence lookup

Privilege behavior lookup

The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2017-20038 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.3 (3.1)
Known Exploited
No
Published

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

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
2Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
6.3CVSS 3.1MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L2.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.1 score

6.3Medium
CVSS 3.1 vector shape for CVE-2017-20038Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SICUNETAccess Controller0.32-05zListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-269 · source CWE mapping

Improper Privilege Management

Improper Privilege Management represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.