How severe is CVE-2018-5203?

CVE-2018-5203 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-5203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5203?

CVE-2018-5203 affects Dextsolution Dextuploadx5. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5203?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-5203 published?

CVE-2018-5203 was published on 2018-12-28 and last updated on 2026-06-17.

CVE-2018-5203

CVE-2018-5203 is a critical-severity vulnerability in Dextsolution Dextuploadx5 with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Dextsolution Dextuploadx5
Published: 2018-12-28
Last modified: 2026-06-17

Description

DEXTUploadX5 version Between 1.0.0.0 and 2.2.0.0 contains a vulnerability that could allow remote attacker to download and execute remote arbitrary file by setting the arguments to the activex method. this can be leveraged for code execution.

Frequently asked questions

What is CVE-2018-5203?: DEXTUploadX5 version Between 1.0.0.0 and 2.2.0.0 contains a vulnerability that could allow remote attacker to download and execute remote arbitrary file by setting the arguments to the activex method. this can be leveraged for code execution.
How severe is CVE-2018-5203?: CVE-2018-5203 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-5203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5203?: CVE-2018-5203 affects Dextsolution Dextuploadx5. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5203?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-5203 published?: CVE-2018-5203 was published on 2018-12-28 and last updated on 2026-06-17.

References

https://www.boho.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=30122

Affected products (1)

cpe:2.3:a:dextsolution:dextuploadx5:*:*:*:*:*:*:*:*

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