CVE-2017-12617

HIGHNVD 8.19.0▲
EchelonGraph scoreHIGH confidence

Score elevated to 9.0 because this CVE is listed on the CISA Known Exploited Vulnerabilities catalog (added 2022-03-25), indicating real-world exploitation has been confirmed by US federal agencies. NVD baseline CVSS 8.1 retained for reference. Confidence: HIGH.

Triggered by: CISA KEV (actively exploited)
Sources: cisa_kev, epss, nvd
Trending — 4 sources updated this weekExploited in the wild
8.1
EchelonGraph verdictPatch nowTreat as an emergency — this is being exploited.
  • 79 internet-exposed hosts are running an affected version right now
  • Actively exploited in the wild (CISA-KEV)
CISA-KEV: ExploitedEPSS: 100%CVSS: 8.1Exploit: NoneExposed: 79

A fix is available — apply it.

When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it contained would be executed by the server.

Live · internet exposure

79 internet-exposed hosts are running an affected version of CVE-2017-12617 right now.

across 27 countries (United States, China, Korea, Republic of, Germany, Japan)top: tomcat
See the live KEV-Exposure radar →Found passively from public internet-scan data — aggregate, host-redacted.

EchelonGraph is the only CVE feed that fuses live vulnerability intelligence with its own live internet-exposure radar — so you see not just that a CVE is exploited, but how much of the internet is exposed to it right now.

CVSS v3
8.1
EG Score
9.0(high)
EPSS
100.0%
KEV
⚠ Exploited

Published

October 4, 2017

Last Modified

April 21, 2026

Advisory Details (7)

Auto-updated May 19, 2026
Patch available. Sources: redhat.
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2018:0268
redhat Patch Available
https://access.redhat.com/errata/RHSA-2017:3114
redhat Patch Available
https://access.redhat.com/errata/RHSA-2017:3113
redhat Patch Available

Affected: Red Hat Enterprise Linux 7.

https://access.redhat.com/errata/RHSA-2017:3081
redhat Patch Available

Affected: Red Hat Enterprise Linux 6.

https://access.redhat.com/errata/RHSA-2017:3080
generic
http://www.securitytracker.com/id/1039552
generic
http://www.securityfocus.com/bid/100954

Vendor Advisories for CVE-2017-12617(7)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(14)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntutomcat7-user (7.0.68-1ubuntu0.4+esm3) @ xenial2026-07-22ubuntu
ubuntutomcat8-user (8.0.32-1ubuntu1.6) @ xenial2026-07-22ubuntu
redhatpatch2018-10-17redhat
redhatpatch2018-03-07redhat
redhattomcat-vault-0:1.1.6-1.Final_redhat_1.1.ep7.el72018-03-07redhat
redhatjboss-ec2-eap-0:7.5.19-2.Final_redhat_2.ep6.el62018-02-05redhat
redhatpicketlink-federation-0:2.5.4-20.SP18_redhat_1.1.ep6.el52018-02-05redhat
redhatpicketlink-federation-0:2.5.4-20.SP18_redhat_1.1.ep6.el72018-02-05redhat
redhatpicketlink-federation-0:2.5.4-20.SP18_redhat_1.1.ep6.el62018-02-05redhat
redhatjbossweb2018-02-05redhat
redhattomcat72017-11-02redhat
redhattomcat7-0:7.0.54-28_patch_05.ep6.el72017-11-02redhat
redhattomcat-0:7.0.76-3.el7_42017-10-30redhat
redhattomcat6-0:6.0.24-111.el6_92017-10-30redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(2 across 1 ecosystem)
Maven(2)
PackageVulnerable rangeFixed inDependents
org.apache.tomcat.embed:tomcat-embed-core7.0.0 ... 7.0.81 (56 versions)7.0.82—
org.apache.tomcat:tomcat-catalina7.0.0 ... 7.0.81 (56 versions)7.0.82—

Additional Vendor Advisories

(7)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 48× in last 7d / 191× 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 359 total refreshes for this CVE.

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

Publicly available exploits

(7 references)

Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs) (2 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • GitHub PoCLongWayHomie/CVE-2017-12617
    First seen Dec 10, 2021

    CVE-2017-12617 is a critical vulnerability leading to Remote Code Execution (RCE) in Apache Tomcat.

    Open source ↗
  • GitHub PoCygouzerh/CVE-2017-12617
    First seen Jan 14, 2019

    Proof of Concept - RCE Exploitation : Web Shell on Apache Tomcat - Ensimag January 2018

    Open source ↗
  • Exploit-DBEDB-43008✓ verified
    First seen Oct 17, 2017

    Tomcat - Remote Code Execution via JSP Upload Bypass (Metasploit)

    Open source ↗
  • Exploit-DBEDB-42966✓ verified
    First seen Oct 9, 2017

    Apache Tomcat < 9.0.1 (Beta) / < 8.5.23 / < 8.0.47 / < 7.0.8 - JSP Upload Bypass / Remote Code Execution (2)

    Open source ↗
  • GitHub PoCcyberheartmi9/CVE-2017-12617
    First seen Oct 5, 2017

    Apache Tomcat < 9.0.1 (Beta) / < 8.5.23 / < 8.0.47 / < 7.0.8 - JSP Upload Bypass / Remote Code Execution

    Open source ↗
  • Metasploitexploit/multi/http/tomcat_jsp_upload_bypass✓ verified
    First seen Oct 3, 2017

    Tomcat RCE via JSP Upload Bypass

    Open source ↗
  • Nucleihttp/cves/2017/CVE-2017-12617.yaml
    First seen Jan 1, 2017

    Apache Tomcat - Remote Code Execution

    Open source ↗

Frequently asked(6)

What is CVE-2017-12617?
CVE-2017-12617 is a high vulnerability published on October 4, 2017. When running Apache Tomcat versions 9.0.0.M1 to 9.0.0, 8.5.0 to 8.5.22, 8.0.0.RC1 to 8.0.46 and 7.0.0 to 7.0.81 with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default servlet to false) it was possible to upload a JSP file to the server via a specially crafted…
When was CVE-2017-12617 disclosed?
CVE-2017-12617 was first published in the National Vulnerability Database on October 4, 2017, with the most recent update on April 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2017-12617 actively exploited?
Yes. CISA added CVE-2017-12617 to the Known Exploited Vulnerabilities catalog on March 25, 2022, affecting Apache Tomcat. KEV listing indicates confirmed exploitation in the wild; this CVE warrants immediate patching attention.
What is the CVSS score of CVE-2017-12617?
CVE-2017-12617 has a CVSS v3 base score of 8.1 (NVD). EchelonGraph synthesises NVD + CISA KEV + FIRST EPSS + GHSA into a combined EG score of 9.0.
Which products are affected by CVE-2017-12617?
CVE-2017-12617 affects Apache Tomcat. 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-2017-12617?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2017-12617, 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

See which npm, PyPI, Go, and Maven packages are affected by CVE-2017-12617

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