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CVE Record

CVE-2018-5202: SKCertService 2.5.5 and earlier contains a vulnerability that could allow remote attacker to execute arbitr...

SKCertService 2.5.5 and earlier contains a vulnerability that could allow remote attacker to execute arbitrary code. This vulnerability exists due to the way .dll files are loaded by SKCertService. It allows an attacker to load a .dll of the attacker's choosing that could execute arbitrary code without the user's knowledge.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

SKCertService 2.5.5 and earlier can be tricked into loading an attacker-chosen DLL, which may run code without the user noticing. The source describes potential remote code execution, but gives no CVSS score, patch version, or exploitation evidence.

Executive priority

Treat as potentially important where SKCertService is present, because the described impact is code execution. Urgency depends on confirmed deployment footprint and vendor remediation availability; the public bundle does not prove active exploitation.

Technical view

CVE-2018-5202 is an insecure DLL loading issue in SIGNKOREA SKCertService 2.5.5 and earlier. The vulnerability is described as allowing arbitrary code execution through attacker-controlled DLL loading. The public bundle does not include CPEs, CWE mapping, CVSS scoring, or detailed remediation content.

Likely exposure

Exposure is limited to systems running SIGNKOREA SKCertService 2.5.5 or earlier. The provided data does not identify operating systems, deployment scope, or CPEs, so asset discovery is required before estimating business exposure.

Exploitation context

The source bundle does not show CISA KEV listing or other evidence of active exploitation. The CVE description states remote arbitrary code execution is possible through DLL loading behavior, but provides no exploit maturity details.

Researcher notes

The public record is sparse. Key missing items include CVSS, CWE, affected platform detail, CPEs, exploit prerequisites, and a named fixed version. Avoid assuming a standard DLL hijacking scenario beyond the stated insecure DLL loading behavior.

Mitigation direction

  • Inventory endpoints for SKCertService installations and versions.
  • Check SIGNKOREA or KISA guidance for fixed versions or vendor instructions.
  • Remove SKCertService where it is not business-required.
  • Prioritize update or remediation for versions 2.5.5 and earlier.
  • Use endpoint controls to monitor unexpected SKCertService module behavior.

Validation and detection

  • Confirm whether SKCertService is installed on managed endpoints.
  • Record installed SKCertService versions and flag 2.5.5 or earlier.
  • Review vendor or KISA advisory for remediation details.
  • Check endpoint telemetry for unusual DLL loads by SKCertService.
  • Document compensating controls where immediate remediation is unavailable.
Prepared
Confidence
medium
Sources
3

Public sources used

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

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2018-5202 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
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.

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

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
SIGNKOREASKCertServiceSKCertServiceListed
Weakness

CWE details

No CWE listed

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