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PatchSiren cyber security CVE debrief

CVE-2019-9082 ThinkPHP CVE debrief

CVE-2019-9082 is a ThinkPHP remote code execution vulnerability that CISA lists in its Known Exploited Vulnerabilities catalog. Because it is identified as actively exploited, affected ThinkPHP deployments should be treated as a priority patching item and handled using vendor-directed remediation guidance.

Vendor
ThinkPHP
Product
ThinkPHP
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

Organizations running ThinkPHP, especially teams responsible for internet-facing applications, application security, vulnerability management, and incident response. Any environment that cannot quickly confirm whether ThinkPHP is deployed should also treat this as a high-priority inventory and exposure check.

Technical summary

The official record set provided here identifies CVE-2019-9082 as a ThinkPHP remote code execution issue. CISA’s KEV entry marks it as known exploited and directs defenders to apply updates per vendor instructions. The supplied sources do not include additional reliable version, vector, or exploitation-detail information, so defensive action should focus on confirming exposure and applying the vendor’s remediation guidance.

Defensive priority

High. This is a CISA Known Exploited Vulnerability, which indicates confirmed real-world abuse and makes timely patching or mitigation more urgent than an ordinary disclosed CVE.

Recommended defensive actions

  • Identify all applications, services, and servers that use ThinkPHP.
  • Apply vendor-recommended updates or mitigations as soon as possible.
  • If patching is not immediately possible, reduce exposure by restricting access and isolating affected systems where feasible.
  • Review logs and security telemetry for signs of suspicious activity on systems running ThinkPHP.
  • Track remediation to completion before the CISA KEV due date if still relevant in your environment.

Evidence notes

CISA’s KEV catalog entry and the supplied source item both identify ThinkPHP as the vendor/project and list the vulnerability as a remote code execution issue. The provided timeline places the CVE published/modified date at 2021-11-03 and the KEV date added at 2021-11-03 with due date 2022-05-03. No CVSS score was supplied in the corpus.

Official resources

CVE published and modified: 2021-11-03. CISA KEV date added: 2021-11-03. KEV due date: 2022-05-03. The dates above are taken from the supplied metadata and should be used as the timeline context for this debrief.