Home/CVE/Apache Tomcat on Windows Remote Code Execution Vulnerability
CVE

CVE-2017-12615

Apache Tomcat on Windows Remote Code Execution Vulnerability

When running Apache Tomcat 7.0.0 to 7.0.79 on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default 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.

HIGH · CVSS 8.1 ⚠ CISA KEV EPSS 0.94231 Ransomware: known
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • Linked to known ransomware campaigns
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules8 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

⬡

Weakness Classification

CWE-434Unrestricted Upload of File with Dangerous Type
CWE-434Unrestricted Upload of File with Dangerous Type
▤

Affected Products & Versions

22
apache tomcat>= 7.0.0 and <= 7.0.79
netapp 7-mode transition toolall versions
netapp oncommand balanceall versions
netapp oncommand shiftall versions
redhat enterprise linux server update services for sap solutionsall versions
redhat jboss enterprise web serverall versions
redhat jboss enterprise web server text-only advisoriesall versions
redhat enterprise linux desktopall versions
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Maven org.apache.tomcat.embed:tomcat-embed-core HIGH fixed in 7.0.79
⚠

Public Exploits & PoCs

5
webappsApache Tomcat < 9.0.1 (Beta) / < 8.5.23 / < 8.0.47 / < 7.0.8 - JSP Upload Bypass / Remote Code Execution (1)2017-09-20
nucleiApache Tomcat Servers - Remote Code Executionhigh
pocbreaktoprotect.blogspot.com · the-case-of-cve-2017-12615-tomcat-7-put.htmlbreaktoprotect.blogspot.com
pocgithub.com · CVE-2017-12615github.com
pocwww.exploit-db.com · 42953www.exploit-db.com
◈

Detection Rules (IDS/IPS)

7
et-openET WEB_SPECIFIC_APPS Apache Tomcat Possible CVE-2017-12617 JSP Upload Bypass Attemptweb-application-attack
et-openET WEB_SPECIFIC_APPS Apache Tomcat Possible CVE-2017-12617 JSP Upload Bypass Attemptweb-application-attack
et-openET WEB_SPECIFIC_APPS Apache Tomcat Possible CVE-2017-12617 JSP Upload Bypass Attemptweb-application-attack
et-openET WEB_SPECIFIC_APPS Apache Tomcat Possible CVE-2017-12617 JSP Upload Bypass Attemptweb-application-attack
et-openET WEB_SPECIFIC_APPS Apache Tomcat Possible CVE-2017-12617 JSP Upload Bypass Attemptweb-application-attack
et-openET WEB_SPECIFIC_APPS Apache Tomcat Possible CVE-2017-12617 JSP Upload Bypass Attemptweb-application-attack
Open rulesets (ET Open, Snort Community, abuse.ch) link to source. Commercial rulesets are reference-only.
◈

Sigma Hunt Rules

8
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productcriticalHackTool - Windows Credential Editor (WCE) Execution
productcriticalWindows Credential Editor Registry
producthighOpenCanary - MSSQL Login Attempt Via Windows Authentication
producthighWindows LAPS Credential Dump From Entra ID
producthighTamper Windows Defender - PSClassic
producthighTamper Windows Defender Remove-MpPreference - ScriptBlockLogging
▣

Scoring & Timeline

8.1
HIGH · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Sep 2017 · 01:29 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

14
cisaKEV-CVE-2017-12615
rhsaRHSA-2018:2939Important
rhsaRHSA-2018:0465Moderate
rhsaRHSA-2018:0466Moderate
rhsaRHSA-2018:0269Important
🔗

References & Sources

11
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.securityfocus.com/bid/100901Broken LinkThird Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039392Broken LinkThird Party AdvisoryVDB Entry
https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3EMailing ListPatch
https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3EMailing ListPatch
https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3EMailing ListPatch
https://lists.apache.org/thread.html/8fcb1e2d5895413abcf266f011b9918ae03e0b7daceb118ffbf23f8c%40%3Cannounce.tomcat.apache.org%3EIssue TrackingMailing List
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