Vulnerability record

CVE-2016-8735

Apache Tomcat Remote Code Execution Vulnerability

Severity: CriticalExploitation: Exploitation confirmedCISA KEV
What should I do?

This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Apache Tomcat, fix it now.

CISA required action: Apply updates per vendor instructions.

US federal civilian agencies must remediate by Jun 2, 2023.

Patch status

Official fix available since

Apply the vendor's update to every affected system. Check the fixed-in versions below where known.

Basis: NVD patch reference

Description

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.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Affected products

Products affected by this vulnerability, with versions and the source of each entry
ProductVendorAffected versionsFixed inSource
Apache TomcatApache Software Foundation< 6.0.48; >= 7.0.0, < 7.0.73; >= 8.0, < 8.0.39; >= 8.5.0, < 8.5.7; 9.0.06.0.48; 7.0.73; 8.0.39; 8.5.7KEV

Sources: KEV = CISA Known Exploited Vulnerabilities catalog.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdateKEV

    CVE-2016-8735 scored CVSS 9.8: Apache Tomcat, Apache Tomcat Remote Code Execution Vulnerability

    CISA lists this as exploited in the wild. Unpatched Tomcat systems are exposed to active attacks now.

    Basis: NIST National Vulnerability Database

  2. Patch releasedUpdateKEV

    Patch released for CVE-2016-8735: Apache Tomcat, Apache Tomcat Remote Code Execution Vulnerability

    An official fix is now available for Apache Tomcat. This vulnerability is being exploited, so apply it promptly.

    Basis: NVD patch reference

1 earlier event is available with a subscription. See plans.

Coverage

We have not published a story about this vulnerability yet.

References

  • tomcat.apache.org https://tomcat.apache.org/security-9.html
  • nvd.nist.gov https://nvd.nist.gov/vuln/detail/CVE-2016-8735
  • rhn.redhat.com http://rhn.redhat.com/errata/RHSA-2017-0457.html
  • seclists.org http://seclists.org/oss-sec/2016/q4/502
  • svn.apache.org http://svn.apache.org/viewvc?view=revision&revision=1767644
  • svn.apache.org http://svn.apache.org/viewvc?view=revision&revision=1767656
  • svn.apache.org http://svn.apache.org/viewvc?view=revision&revision=1767676
  • svn.apache.org http://svn.apache.org/viewvc?view=revision&revision=1767684
  • tomcat.apache.org http://tomcat.apache.org/security-6.html
  • tomcat.apache.org http://tomcat.apache.org/security-7.html
  • tomcat.apache.org http://tomcat.apache.org/security-8.html
  • tomcat.apache.org http://tomcat.apache.org/security-9.html
  • debian.org http://www.debian.org/security/2016/dsa-3738
  • oracle.com http://www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
  • oracle.com http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
  • oracle.com http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
  • securityfocus.com http://www.securityfocus.com/bid/94463
  • securitytracker.com http://www.securitytracker.com/id/1037331
  • access.redhat.com https://access.redhat.com/errata/RHSA-2017:0455
  • access.redhat.com https://access.redhat.com/errata/RHSA-2017:0456
  • lists.apache.org https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/37220405a377c0182d2afdbc36461c4783b2930fbeae3a17f1333113%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/39ae1f0bd5867c15755a6f959b271ade1aea04ccdc3b2e639dcd903b%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.…
  • lists.apache.org https://lists.apache.org/thread.html/b84ad1258a89de5c9c853c7f2d3ad77e5b8b2930be9e132d5cef6b95%40%3Cdev.tomcat.…