PatchSiren

PatchSiren cyber security CVE debrief

CVE-2018-20062 ThinkPHP CVE debrief

CVE-2018-20062 affects ThinkPHP noneCms and is listed by CISA in the Known Exploited Vulnerabilities catalog, indicating known exploitation. The defensive takeaway is straightforward: identify any exposed or installed noneCms deployments and apply vendor updates per instructions as soon as possible.

Vendor
ThinkPHP
Product
noneCms
CVSS
Unknown
CISA KEV
Listed
Original CVE published
2021-11-03
Original CVE updated
2021-11-03
Advisory published
2021-11-03
Advisory updated
2021-11-03

Who should care

Security teams, system owners, and administrators responsible for ThinkPHP noneCms deployments should prioritize this CVE, especially if the application is internet-facing or otherwise accessible to untrusted users.

Technical summary

The supplied sources identify this issue as a remote code execution vulnerability in ThinkPHP noneCms. CISA’s Known Exploited Vulnerabilities catalog marks it as actively exploited and directs defenders to apply updates per vendor instructions. No additional technical details, severity score, or exploit mechanics are provided in the supplied corpus.

Defensive priority

High. CISA has placed this CVE in the Known Exploited Vulnerabilities catalog, which makes remediation a priority even though no CVSS score is included in the supplied data.

Recommended defensive actions

  • Inventory environments for ThinkPHP noneCms deployments.
  • Apply vendor-recommended updates or mitigations immediately.
  • Validate that affected systems are no longer exposed after remediation.
  • Review logs and telemetry for signs of suspicious application or web activity.
  • Track this CVE against the CISA KEV catalog and internal patch status until fully remediated.

Evidence notes

The source corpus contains a CISA KEV entry naming ThinkPHP noneCms as a remote code execution vulnerability and marking it as known exploited. The catalog instructs defenders to apply updates per vendor instructions. The provided materials do not include a CVSS score or deeper vulnerability analysis, so this debrief avoids unsupported technical claims.

Sources and references

Verified primary and authoritative sources

  • CVE-2018-20062 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2018-20062

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2018-20062 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2018-20062

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

  • CISA Known Exploited Vulnerabilities catalog

    Publisher, destination, and source semantics verified

    URL: https://www.cisa.gov/known-exploited-vulnerabilities-catalog

    Cybersecurity and Infrastructure Security Agency - Official CISA catalog of vulnerabilities known to be exploited in the wild.

Supplemental references

  • Source item URL

    Unverified legacy reference

    URL: https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json

    cisa_kev

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.