CVE-2017-5648

CRITICALEPSS 96th pctl

9.1

CVSS v3

Description

While investigating bug 60718, it was noticed that some calls to application listeners in Apache Tomcat 9.0.0.M1 to 9.0.0.M17, 8.5.0 to 8.5.11, 8.0.0.RC1 to 8.0.41, and 7.0.0 to 7.0.75 did not use the appropriate facade object. When running an untrusted application under a SecurityManager, it was therefore possible for that untrusted application to retain a reference to the request or response object and thereby access and/or modify information associated with another web application.

CWE-668

How to fix

Remediation Available

libtomcat7-javaUbuntu

Fixed in:7.0.52-1ubuntu0.13USN-3519-1

This Ubuntu release reached end-of-life on 2019-04-02.

libtomcat8-javaUbuntu

Fixed in:8.0.32-1ubuntu1.5USN-3519-1

This Ubuntu release reached end-of-life on 2021-04-02.

tomcat7Ubuntu

Fixed in:7.0.52-1ubuntu0.13USN-3519-1

This Ubuntu release reached end-of-life on 2019-04-02.

tomcat8Ubuntu

Fixed in:8.0.32-1ubuntu1.5USN-3519-1

This Ubuntu release reached end-of-life on 2021-04-02.

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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 ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Exploit Intelligence

13.23%probability of exploitation in 30 days

96thpercentile

Very high risk: more likely to be exploited than 96% of all known CVEs.

References

Related Vulnerabilities

Other CWE-668 vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2022-39952	Critical	9.8	100%	-	Fix
CVE-2017-16597	Critical	9.8	57%	-	-
CVE-2017-16603	High	8.8	54%	-	-
CVE-2024-25153	Critical	9.8	42%	-	Fix
CVE-2022-25236	Critical	9.8	36%	-	Fix
CVE-2017-0215	Medium	5.3	36%	-	-

Common questions

How do I fix CVE-2017-5648?

Published advisories record a fix for 4 affected products. The "How to fix" section on this page lists the fixed version and source advisory for each one, so apply the entry matching what you actually run.

Is CVE-2017-5648 being actively exploited?

Not that we know of. CVE-2017-5648 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 13.2% is the estimated probability that it will be exploited in the next 30 days. That is higher than 96% of all scored CVEs.

How severe is CVE-2017-5648?

CVE-2017-5648 has a CVSS v3 base score of 9.1, rated critical. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

What does CVE-2017-5648 affect?

Published advisories record a fix for libtomcat7-java (Ubuntu), libtomcat8-java (Ubuntu), tomcat7 (Ubuntu), tomcat8 (Ubuntu). Only products with a sourced advisory are listed, so treat this as what we can cite rather than a complete inventory.

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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 2026-06-17.