4.3

CVE-2017-7674: apache software foundation apache tomcat

Modified
AliasesUBUNTU-CVE-2017-7674DSA-3974-1GHSA-73rx-3f9r-x949
Published 11-08-2017Last modified 15-10-2026

Vulnerability summary

CVE-2017-7674 is a medium (CVSS 4.3) vulnerability in apache software foundation apache tomcat. EPSS estimates a 8.04% chance of exploitation in the next 30 days, higher than 94.7% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 4.3, network access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
4.3/10
010
Medium · v3.0 (NVD)
EPSS score
8.04%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 8 · Related 4
DLA-1400-1MGASA-2017-0352RHSA-2017:1801RHSA-2017:3081SUSE-SU-2017:3039-1SUSE-SU-2017:3059-1

Timeline

  1. 11-08-2017
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

8.04%

Chance of exploitation in the next 30 days

Percentile

95%

Versus all other CVEs

30-day change

No change 0.00 pp

From 8.04% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu2 products
  • tomcat7< 7.0.52-1ubuntu0.13 | All versions (No fix recorded)
  • tomcat8< 8.0.32-1ubuntu1.5
Apache1 product
  • tomcatEOL7.0.41 | 7.0.42 | 7.0.43 | 7.0.44 | 7.0.45 | 7.0.46 | 7.0.47 | 7.0.48 | 7.0.49 | 7.0.50 | 7.0.52 | 7.0.53 | 7.0.54 | 7.0.55 | 7.0.56 | 7.0.57 | 7.0.58 | 7.0.59 | 7.0.60 | 7.0.61 | 7.0.62 | 7.0.63 | 7.0.64 | 7.0.65 | 7.0.66 | 7.0.67 | 7.0.68 | 7.0.69 | 7.0.70 | 7.0.71 | 7.0.72 | 7.0.73 | 7.0.74 | 7.0.75 | 7.0.76 | 7.0.77 | 7.0.78 | 8.0 | 8.0.0:rc1 | 8.0.0:rc10 | 8.0.0:rc3 | 8.0.0:rc5 | 8.0.1 | 8.0.2 | 8.0.3 | 8.0.4 | 8.0.5 | 8.0.6 | 8.0.7 | 8.0.8 | 8.0.9 | 8.0.10 | 8.0.11 | 8.0.12 | 8.0.13 | 8.0.14 | 8.0.15 | 8.0.16 | 8.0.17 | 8.0.18 | 8.0.19 | 8.0.20 | 8.0.21 | 8.0.22 | 8.0.23 | 8.0.24 | 8.0.25 | 8.0.26 | 8.0.27 | 8.0.28 | 8.0.29 | 8.0.30 | 8.0.31 | 8.0.32 | 8.0.33 | 8.0.34 | 8.0.35 | 8.0.36 | 8.0.37 | 8.0.38 | 8.0.39 | 8.0.40 | 8.0.41 | 8.0.42 | 8.0.43 | 8.0.44 | 8.5.0 | 8.5.1 | 8.5.2 | 8.5.3 | 8.5.4 | 8.5.5 | 8.5.6 | 8.5.7 | 8.5.8 | 8.5.9 | 8.5.10 | 8.5.11 | 8.5.12 | 8.5.13 | 8.5.14 | 8.5.15 | 9.0.0:milestone1 | 9.0.0:milestone10 | 9.0.0:milestone11 | 9.0.0:milestone12 | 9.0.0:milestone13 | 9.0.0:milestone14 | 9.0.0:milestone15 | 9.0.0:milestone16 | 9.0.0:milestone17 | 9.0.0:milestone18 | 9.0.0:milestone19 | 9.0.0:milestone2 | 9.0.0:milestone20 | 9.0.0:milestone21 | 9.0.0:milestone3 | 9.0.0:milestone4 | 9.0.0:milestone5 | 9.0.0:milestone6 | 9.0.0:milestone7 | 9.0.0:milestone8 | 9.0.0:milestone9
Apache software foundation1 product
  • apache tomcat9.0.0.M1 to 9.0.0.M21 | 8.5.0 to 8.5.15 | 8.0.0.RC1 to 8.0.44 | 7.0.41 to 7.0.78
Debian1 product
  • tomcat8< 8.0.14-1+deb8u11 | < 8.5.14-1+deb9u2
Org.apache.tomcat1 product
  • tomcat≥ 9.0.0.M1, < 9.0.0.M22 | ≥ 8.5.0, < 8.5.16 | ≥ 8.0.0.RC1, < 8.0.45 | ≥ 7.0.41, < 7.0.79

5 vendors · 6 products

References

63 links
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