CVE-2016-8735

Confirmed PUBLISHED

Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before...

Apache Software Foundation · Apache Tomcat

Exploited in the wild PoC available

Recommended Action

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.

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Confidence

Confirmed

Exploitation Status

Exploited in the wild

Observed in Sensors

Attempts (30d)

—

Unique Attacker IPs

—

CISA KEV

In CISA KEV

CVSS / EPSS

9.8 Critical

At a Glance

Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x before 7.0.73, 8.x before 8.0.39, 8.5.x before 8.5.7, and 9.x before 9.0.0.M12 if JmxRemoteLifecycleListener is used and an attacker can reach JMX ports. The issue exists because this listener wasn't updated for consistency with the CVE-2016-3427 Oracle patch that affected credential types.

nuclei_scanner apache cisa

CVE Published: Apr 06, 2017
Exploitation Reported: May 12, 2023
CVSS: 9.8 Critical
EPSS: —

Remote Low complexity No user interaction Unauthenticated

Affected Versions

Vendor	Product	Version	Status
Apache Software Foundation	Apache Tomcat	before 6.0.48	Affected
Apache Software Foundation	Apache Tomcat	7.x before 7.0.73	Affected
Apache Software Foundation	Apache Tomcat	8.x before 8.0.39	Affected
Apache Software Foundation	Apache Tomcat	8.5.x before 8.5.7	Affected
Apache Software Foundation	Apache Tomcat	9.x before 9.0.0.M12	Affected

CVE References

DSA-3738 debian.org · Vendor Advisory http://www.debian.org/security/2016/dsa-3738
RHSA-2017:0457 rhn.redhat.com · Vendor Advisory http://rhn.redhat.com/errata/RHSA-2017-0457.html
RHSA-2017:0455 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2017:0455
RHSA-2017:0456 access.redhat.com · Vendor Advisory https://access.redhat.com/errata/RHSA-2017:0456
USN-4557-1 usn.ubuntu.com · Vendor Advisory https://usn.ubuntu.com/4557-1/

Show 31 more references

1037331 securitytracker.com · VDB Entry http://www.securitytracker.com/id/1037331
94463 securityfocus.com · VDB Entry http://www.securityfocus.com/bid/94463
[tomcat-dev] 20190319 svn commit: r1855831 [25/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11...
[tomcat-dev] 20190319 svn commit: r1855831 [23/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/b8a1bf18155b552dcf9a928ba808cbad...
[tomcat-dev] 20190325 svn commit: r1856174 [22/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73f...
[tomcat-dev] 20190325 svn commit: r1856174 [24/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63...
[tomcat-dev] 20190325 svn commit: r1856174 [21/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade...
[tomcat-dev] 20190413 svn commit: r1857494 [17/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570c...
[tomcat-dev] 20190413 svn commit: r1857494 [16/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2...
[tomcat-dev] 20190413 svn commit: r1857494 [15/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c47...
[tomcat-dev] 20190415 svn commit: r1857582 [17/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160...
[tomcat-dev] 20190415 svn commit: r1857582 [19/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284f...
[tomcat-dev] 20190415 svn commit: r1857582 [16/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e...
[tomcat-dev] 20200203 svn commit: r1873527 [23/30] - /tomcat/site/trunk/docs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/r03c597a64de790ba42c167efacfa233...
[tomcat-dev] 20200213 svn commit: r1873980 [27/34] - /tomcat/site/trunk/docs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2...
[tomcat-dev] 20200213 svn commit: r1873980 [26/34] - /tomcat/site/trunk/docs/ lists.apache.org · Mailing List https://lists.apache.org/thread.html/r587e50b86c1a96ee301f751d5029407...
oracle.com/technetwork/security-advisory/cpujul2018-425... oracle.com · CVE Record http://www.oracle.com/technetwork/security-advisory/cpujul2018-425824...
oracle.com/technetwork/security-advisory/cpujan2018-323... oracle.com · CVE Record http://www.oracle.com/technetwork/security-advisory/cpujan2018-323662...
svn.apache.org/viewvc svn.apache.org · CVE Record http://svn.apache.org/viewvc?view=revision&revision=1767676
tomcat.apache.org/security-9.html tomcat.apache.org · CVE Record http://tomcat.apache.org/security-9.html
tomcat.apache.org/security-7.html tomcat.apache.org · CVE Record http://tomcat.apache.org/security-7.html
svn.apache.org/viewvc svn.apache.org · CVE Record http://svn.apache.org/viewvc?view=revision&revision=1767644
tomcat.apache.org/security-8.html tomcat.apache.org · CVE Record http://tomcat.apache.org/security-8.html
svn.apache.org/viewvc svn.apache.org · CVE Record http://svn.apache.org/viewvc?view=revision&revision=1767656
oracle.com/technetwork/security-advisory/cpuoct2017-323... oracle.com · CVE Record http://www.oracle.com/technetwork/security-advisory/cpuoct2017-323662...
security.netapp.com/advisory/ntap-20180607-0001 security.netapp.com · CVE Record https://security.netapp.com/advisory/ntap-20180607-0001/
tomcat.apache.org/security-6.html tomcat.apache.org · CVE Record http://tomcat.apache.org/security-6.html
svn.apache.org/viewvc svn.apache.org · CVE Record http://svn.apache.org/viewvc?view=revision&revision=1767684
seclists.org/oss-sec/2016/q4/502 seclists.org · CVE Record http://seclists.org/oss-sec/2016/q4/502
oracle.com/technetwork/security-advisory/cpuapr2019-507... oracle.com · CVE Record https://www.oracle.com/technetwork/security-advisory/cpuapr2019-50728...
oracle.com/technetwork/security-advisory/cpujul2019-507... oracle.com · CVE Record https://www.oracle.com/technetwork/security-advisory/cpujul2019-50728...

Recommended Actions

Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.

Known Exploited Vulnerability Sources

Catalogues that list this CVE as a known exploited vulnerability.

Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.

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Source	Added
CISA First	2023-05-12 00:00 UTC

Scanner Artifacts

Nuclei and Metasploit references linked to this CVE.

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2016/CVE-2016-8735.yaml	Apr 25, 2025

CVSS Scores

CVSS v3.1 9.8 Critical

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 7.5 High

AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitation Status

Exploited in the wild

Recorded 2023-05-12 00:00:00 UTC · CISA

Proof of concept available

Recorded 2020-01-29 11:12:37 UTC · GitHub

Scanner Integrations

Scanner	Reference	Detected
Nuclei	https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2016/CVE-2016-8735.yaml	Apr 25, 2025

Potential Proof of Concepts

These PoCs are unverified and could contain malware. Use at your own risk.

ianxtianxt/CVE-2016-8735

github · Created 2020-01-29 11:12:37 UTC · 0 stars

CVE-2016-8735

nuclei · Created Unknown

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Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.

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Pro API Example

GET /api/v2/pro/kevs/CVE-2016-8735

{
  "cve_id": "CVE-2016-8735",
  "title": "Remote code execution is possible with Apache Tomcat before 6.0.48, 7.x befor...",
  "affected_vendor": "Apache Software Foundation",
  "affected_product": "Apache Tomcat",
  "affected_versions": [
    { "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
  ],
  "confidence": "Confirmed",
  "cvss_score": 9.8,
  "epss_score": null,
  "exploit_status": {
    "exploited_in_the_wild": true,
    "active_exploitation_observed": false
  },
  "sensor_telemetry": { "...": "Pro API fields" },
  "proof_of_concepts": [ "..." ],
  "scanner_integrations": [ "..." ]
}

The free JSON API returns basic KEV fields only. Confidence, telemetry, and artifact enrichment require Pro API access.

CVE-2016-8735

At a Glance

Affected Versions

CVE References

Recommended Actions

Known Exploited Vulnerability Sources

Scanner Artifacts

Virtual Patch

CVSS Scores

Exploitation Status

Scanner Integrations

Potential Proof of Concepts

Timeline

Automate This Intelligence with the Pro API