Is CVE-2018-20062 in the CISA KEV catalog?

Yes. CVE-2018-20062 is on the CISA Known Exploited Vulnerabilities list, added 2021-11-03.

What is the CVSS severity of CVE-2018-20062?

CVE-2018-20062 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-20062?

CVE-2018-20062 has an EPSS score of 99.53% (100th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2018-20062

CRITICALCISA KEVEPSS 100th pctl

9.8

CVSS v3

NVD

Description

An issue was discovered in NoneCms V1.3. thinkphp/library/think/App.php allows remote attackers to execute arbitrary PHP code via crafted use of the filter parameter, as demonstrated by the s=index/\think\Request/input&filter=phpinfo&data=1 query string.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

99.53%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

ThinkPHP "noneCms" Remote Code Execution Vulnerability

ThinkPHP "noneCms" contains an unspecified vulnerability that allows for remote code execution through crafted use of the filter parameter.

Apply updates per vendor instructions.

Remediation due: 2022-05-03

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-11-07.