CVE-2018-20062

CRITICALNVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score elevated to 9.8 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 9.8 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, ghsa, nvd
Exploited in the wild
9.8EG
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS PROB: 100%CVSS: 9.8Exploit: cisa kev · ssvc active · Metasploit · Exploit-DB (verified) · epss top5pct · epss high · public exploitExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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
9.8
EG Score
9.8(high)
EG Risk
99(Act)
EG Risk 99/100SSVC: Act

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity98% × 45%
Exploitation100% × 40%
Automatability100% × 15%
Action: Fix now — active exploitation, automatable, high impact.
EPSS PROB
100%
EPSS %ILE
100%
KEV
⚠ Exploited

Published

December 11, 2018

Last Modified

November 7, 2025

Advisory Details (2)

Auto-updated Aug 20, 2026
⚠️ Active exploitation confirmed. Patch available. Sources: cisa.
cisa Patch Available🔴 Active Exploitation

Known Exploited Vulnerabilities Catalog | CISA

Known Exploited Vulnerabilities Catalog | CISA. Listed in CISA Known Exploited Vulnerabilities catalog.

https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-20062
generic

Locked Out | Packet Storm

http://packetstormsecurity.com/files/157218/ThinkPHP-5.0.23-Remote-Code-Execution.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 45× in last 7d / 178× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 522 total refreshes for this CVE.

  1. 2026-08-21 18:41 UTCGHSA enrichment
  2. 2026-08-21 16:49 UTCCISA KEV update
  3. 2026-08-21 14:30 UTCGHSA enrichment
  4. 2026-08-21 10:19 UTCGHSA enrichment
  5. 2026-08-21 06:08 UTCGHSA enrichment
  6. 2026-08-21 01:57 UTCGHSA enrichment
  7. 2026-08-20 21:47 UTCGHSA enrichment
  8. 2026-08-20 17:36 UTCGHSA enrichment
  9. 2026-08-20 17:06 UTCCISA KEV update
  10. 2026-08-20 13:25 UTCGHSA enrichment
  11. 2026-08-20 09:14 UTCGHSA enrichment
  12. 2026-08-20 05:04 UTCGHSA enrichment
  13. 2026-08-20 00:52 UTCGHSA enrichment
  14. 2026-08-19 20:40 UTCGHSA enrichment
  15. 2026-08-19 17:33 UTCCISA KEV update
  16. 2026-08-19 16:29 UTCGHSA enrichment
  17. 2026-08-19 12:18 UTCGHSA enrichment
  18. 2026-08-19 08:07 UTCGHSA enrichment
  19. 2026-08-19 03:56 UTCGHSA enrichment
  20. 2026-08-18 23:45 UTCGHSA enrichment
  21. 2026-08-18 19:35 UTCGHSA enrichment
  22. 2026-08-18 16:58 UTCCISA KEV update
  23. 2026-08-18 15:24 UTCGHSA enrichment
  24. 2026-08-18 11:10 UTCGHSA enrichment
  25. 2026-08-18 06:56 UTCGHSA enrichment
Show 75 more
  1. 2026-08-18 02:46 UTCGHSA enrichment
  2. 2026-08-17 22:34 UTCGHSA enrichment
  3. 2026-08-17 18:22 UTCGHSA enrichment
  4. 2026-08-17 14:10 UTCGHSA enrichment
  5. 2026-08-17 13:56 UTCCISA KEV update
  6. 2026-08-17 09:59 UTCGHSA enrichment
  7. 2026-08-17 05:49 UTCGHSA enrichment
  8. 2026-08-17 01:39 UTCGHSA enrichment
  9. 2026-08-16 21:28 UTCGHSA enrichment
  10. 2026-08-16 17:17 UTCGHSA enrichment
  11. 2026-08-16 13:06 UTCGHSA enrichment
  12. 2026-08-16 08:55 UTCGHSA enrichment
  13. 2026-08-16 04:44 UTCGHSA enrichment
  14. 2026-08-16 00:34 UTCGHSA enrichment
  15. 2026-08-15 20:23 UTCGHSA enrichment
  16. 2026-08-15 16:12 UTCGHSA enrichment
  17. 2026-08-15 12:01 UTCGHSA enrichment
  18. 2026-08-15 07:50 UTCGHSA enrichment
  19. 2026-08-15 03:39 UTCGHSA enrichment
  20. 2026-08-14 23:28 UTCGHSA enrichment
  21. 2026-08-14 19:17 UTCGHSA enrichment
  22. 2026-08-14 15:07 UTCGHSA enrichment
  23. 2026-08-14 10:56 UTCGHSA enrichment
  24. 2026-08-14 06:46 UTCGHSA enrichment
  25. 2026-08-14 02:35 UTCGHSA enrichment
  26. 2026-08-13 22:25 UTCGHSA enrichment
  27. 2026-08-13 18:14 UTCGHSA enrichment
  28. 2026-08-13 14:03 UTCGHSA enrichment
  29. 2026-08-13 09:53 UTCGHSA enrichment
  30. 2026-08-13 05:42 UTCGHSA enrichment
  31. 2026-08-13 05:42 UTCGHSA enrichment
  32. 2026-08-13 01:31 UTCGHSA enrichment
  33. 2026-08-12 21:21 UTCGHSA enrichment
  34. 2026-08-12 17:10 UTCGHSA enrichment
  35. 2026-08-12 13:00 UTCGHSA enrichment
  36. 2026-08-12 08:49 UTCGHSA enrichment
  37. 2026-08-12 04:38 UTCGHSA enrichment
  38. 2026-08-12 00:27 UTCGHSA enrichment
  39. 2026-08-11 20:17 UTCGHSA enrichment
  40. 2026-08-11 19:32 UTCCISA KEV update
  41. 2026-08-11 16:07 UTCEG score recompute
  42. 2026-08-11 16:07 UTCGHSA enrichment
  43. 2026-08-11 11:56 UTCGHSA enrichment
  44. 2026-08-11 07:46 UTCGHSA enrichment
  45. 2026-08-11 03:35 UTCGHSA enrichment
  46. 2026-08-10 23:25 UTCGHSA enrichment
  47. 2026-08-10 19:14 UTCGHSA enrichment
  48. 2026-08-10 15:03 UTCGHSA enrichment
  49. 2026-08-10 10:52 UTCGHSA enrichment
  50. 2026-08-10 06:42 UTCGHSA enrichment
  51. 2026-08-10 02:31 UTCGHSA enrichment
  52. 2026-08-09 22:21 UTCGHSA enrichment
  53. 2026-08-09 18:10 UTCGHSA enrichment
  54. 2026-08-09 14:00 UTCGHSA enrichment
  55. 2026-08-09 09:49 UTCGHSA enrichment
  56. 2026-08-09 05:39 UTCGHSA enrichment
  57. 2026-08-09 01:28 UTCGHSA enrichment
  58. 2026-08-08 21:18 UTCGHSA enrichment
  59. 2026-08-08 17:07 UTCGHSA enrichment
  60. 2026-08-08 12:56 UTCGHSA enrichment
  61. 2026-08-08 08:45 UTCGHSA enrichment
  62. 2026-08-08 04:35 UTCGHSA enrichment
  63. 2026-08-08 00:24 UTCGHSA enrichment
  64. 2026-08-07 20:14 UTCGHSA enrichment
  65. 2026-08-07 17:09 UTCCISA KEV update
  66. 2026-08-07 16:03 UTCGHSA enrichment
  67. 2026-08-07 11:52 UTCGHSA enrichment
  68. 2026-08-07 07:41 UTCGHSA enrichment
  69. 2026-08-07 03:30 UTCGHSA enrichment
  70. 2026-08-06 23:19 UTCGHSA enrichment
  71. 2026-08-06 19:09 UTCGHSA enrichment
  72. 2026-08-06 14:59 UTCEG score recompute
  73. 2026-08-06 14:59 UTCGHSA enrichment
  74. 2026-08-06 13:42 UTCEPSS rescore
  75. 2026-08-06 10:47 UTCGHSA enrichment

Publicly available exploits

(6 references)

Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs) (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCshenhui35/RedArrow
    First seen Sep 16, 2025

    RedArrow3.2 是一款用于渗透测试ThinkPHP 5.0.23 远程命令执行漏洞(CVE-2018-20062)的图形化工具。

    Open source ↗
  • GitHub PoCyilin1203/CVE-2018-20062
    First seen Nov 7, 2022
    Open source ↗
  • Exploit-DBEDB-48333✓ verified
    First seen Apr 16, 2020

    ThinkPHP - Multiple PHP Injection RCEs (Metasploit)

    Open source ↗
  • GitHub PoCNS-Sp4ce/thinkphp5.XRce
    First seen Mar 17, 2019

    thinkphp5.*Rce CVE-2018-20062

    Open source ↗
  • Metasploitexploit/unix/webapp/thinkphp_rce✓ verified
    First seen Dec 10, 2018

    ThinkPHP Multiple PHP Injection RCEs

    Open source ↗
  • Nucleihttp/cves/2018/CVE-2018-20062.yaml
    First seen Jan 1, 2018

    ThinkPHP 5.0.23 - Remote Code Execution

    Open source ↗

Related CVEs(same CWE)

Frequently asked(6)

What is CVE-2018-20062?
CVE-2018-20062 is a critical vulnerability published on December 11, 2018. 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.
When was CVE-2018-20062 disclosed?
CVE-2018-20062 was first published in the National Vulnerability Database on December 11, 2018, with the most recent update on November 7, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2018-20062 actively exploited?
Yes. CISA added CVE-2018-20062 to the Known Exploited Vulnerabilities catalog on November 3, 2021, affecting ThinkPHP noneCms. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2018-20062?
CVE-2018-20062 has a CVSS v3 base score of 9.8 (NVD).
Which products are affected by CVE-2018-20062?
CVE-2018-20062 affects ThinkPHP noneCms. The full affected-products list, including version ranges and fixed versions, is shown in the Affected Packages section of this page.
How do I remediate CVE-2018-20062?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2018-20062, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2018-20062

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