CVE-2017-7674

tomcat: Vary header not added by CORS filter leading to cache poisoning

Published Aug 11, 2017 CVSS 3.0 · 4.3 Medium EPSS 8.0% KEV · Not listed
Description
The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-1400-1 tomcat7 security update
Debian DSA Debian DSA DSA-3974-1 tomcat8 security update
EUVD EUVD EUVD-2022-2904 The CORS Filter in Apache Tomcat 9.0.0.M1 to 9.0.0.M21, 8.5.0 to 8.5.15, 8.0.0.RC1 to 8.0.44 and 7.0.41 to 7.0.78 did not add an HTTP Vary header indicating that the response varies depending on Origin. This permitted client and server side cache poisoning in some circumstances.
Github GHSA Github GHSA GHSA-73rx-3f9r-x949 Insufficient Verification of Data Authenticity in Apache Tomcat
Ubuntu USN Ubuntu USN USN-3519-1 Tomcat vulnerabilities
References
Link Providers
http://www.debian.org/security/2017/dsa-3974 cve-icon cve-icon
http://www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html cve-icon cve-icon
http://www.securityfocus.com/bid/100280 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2017:1801 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2017:1802 cve-icon cve-icon
https://access.redhat.com/errata/RHSA-2017:3081 cve-icon cve-icon
https://lists.apache.org/thread.html/1dd0a59c1295cc08ce4c9e7edae5ad2268acc9ba55adcefa0532e5ba%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/22b4bb077502f847e2b9fcf00b96e81e734466ab459780ff73b60c0f%40%3Cannounce.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/343558d982879bf88ec20dbf707f8c11255f8e219e81d45c4f8d0551%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/388a323769f1dff84c9ec905455aa73fbcb20338e3c7eb131457f708%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/3d19773b4cf0377db62d1e9328bf9160bf1819f04f988315086931d7%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/5c0e00fd31efc11e147bf99d0f03c00a734447d3b131ab0818644cdb%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/6af47120905aa7d8fe12f42e8ff2284fb338ba141d3b77b8c7cb61b3%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/845312a10aabbe2c499fca94003881d2c79fc993d85f34c1f5c77424%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/88855876c33f2f9c532ffb75bfee570ccf0b17ffa77493745af9a17a%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/b5e3f51d28cd5d9b1809f56594f2cf63dcd6a90429e16ea9f83bbedc%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/e85e83e9954f169bbb77b44baae5a33d8de878df557bb32b7f793661%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/eb6efa8d59c45a7a9eff94c4b925467d3b3fec8ba7697f3daa314b04%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r15695e6203b026c9e9070ca9fa95fb17dd4cd88e5342a7dc5e1e7b85%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r1c62634b7426bee5f553307063457b99c84af73b078ede4f2592b34e%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r409efdf706c2077ae5c37018a87da725a3ca89570a9530342cdc53e4%40%3Cusers.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2018/06/msg00008.html cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2017-7674 cve-icon
https://security.netapp.com/advisory/ntap-20180614-0003/ cve-icon cve-icon
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03828en_us cve-icon cve-icon
https://tomcat.apache.org/security-7.html cve-icon
https://tomcat.apache.org/security-8.html cve-icon
https://www.cve.org/CVERecord?id=CVE-2017-7674 cve-icon
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 15, 2026, 3:58 PM
Reserved
Apr 11, 2017, 12:00 AM
Status
Modified
Published
Aug 11, 2017, 2:29 AM
Modified
Oct 15, 2026, 4:17 PM
Severity
Moderate
Public date
Aug 10, 2017, 12:00 AM