Vulnerability in Apache Tomcat
CVE-2017-7674
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.080 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: 0.000
Affected products
- Apache Tomcat — versions 7.0.41, 7.0.42, 7.0.43
- Apache Software Foundation Tomcat — versions 9.0.0.M1 to 9.0.0.M21, 7.0.41 to 7.0.78, 8.0.0.RC1 to 8.0.44
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.hpe.com/hpsc/doc/public/display
- access.redhat.com/errata/RHSA-2017:1801 (vendor-advisory)
- lists.apache.org/thread.html/22b4bb077502f847e2b9fcf00b96e81e734466ab459780ff73… (mailing-list)
- security.netapp.com/advisory/ntap-20180614-0003/
- www.securityfocus.com/bid/100280 (VDB Entry, Third Party Advisory, vdb-entry)
- www.debian.org/security/2017/dsa-3974 (vendor-advisory)
- www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
- lists.debian.org/debian-lts-announce/2018/06/msg00008.html (mailing-list)
- access.redhat.com/errata/RHSA-2017:1802 (vendor-advisory)
- access.redhat.com/errata/RHSA-2017:3081 (vendor-advisory)
Frequently asked questions
- What is CVE-2017-7674?
- CVE-2017-7674 is a medium-severity vulnerability in Apache Tomcat, classified under Insufficient Verification of Data Authenticity. CVSS score: 4.3/10. Published 2017-08-11.
- How severe is CVE-2017-7674?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2017-7674 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.