Is CVE-2017-12617 in the CISA KEV catalog?

Yes. CVE-2017-12617 is on the CISA Known Exploited Vulnerabilities list, added 2022-03-25.

What is the CVSS severity of CVE-2017-12617?

CVE-2017-12617 has a CVSS v3 base score of 8.1 (HIGH).

What is the EPSS score for CVE-2017-12617?

CVE-2017-12617 has an EPSS score of 99.99% (100th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-12617?

Upgrade libtomcat7-java on ubuntu 14.04 to 7.0.52-1ubuntu0.14 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-12617

HIGHCISA KEVEPSS 100th pctl

8.1

CVSS v3

NVD

Description

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.

CWE-434Unrestricted File Upload

How to fix

Remediation Available

libtomcat7-javaUbuntu

Fixed in:7.0.52-1ubuntu0.14USN-3665-1

Fixed in:7.0.68-1ubuntu0.4+esm3USN-7282-1

libtomcat8-javaUbuntu

Fixed in:8.0.32-1ubuntu1.6USN-3665-1

Fixed in:8.5.30-1ubuntu1.2USN-3665-1

tomcat7Ubuntu

Fixed in:7.0.52-1ubuntu0.14USN-3665-1

Fixed in:7.0.68-1ubuntu0.4+esm3USN-7282-1

tomcat8Ubuntu

Fixed in:8.0.32-1ubuntu1.6USN-3665-1

Fixed in:8.5.30-1ubuntu1.2USN-3665-1

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

99.99%probability of exploitation in 30 days

100thpercentile

Very high risk: more likely to be exploited than 100% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Apache Tomcat Remote Code Execution Vulnerability

When running Apache Tomcat, it is 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.

Apply updates per vendor instructions.

Remediation due: 2022-04-15

References

Related Vulnerabilities

Other CWE-434 (Unrestricted File Upload) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2018-15961	Critical	9.8	100%	KEV	-
CVE-2021-31207	Medium	6.6	100%	KEV + Ransom	Fix
CVE-2017-12615	High	8.1	100%	KEV + Ransom	-
CVE-2025-31324	Critical	10.0	99%	KEV + Ransom	-
CVE-2024-50623	Critical	9.8	99%	KEV + Ransom	Fix
CVE-2016-3088	Critical	9.8	99%	KEV	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-21.