9.8

CVE-2018-8014: apache software foundation apache tomcat

Modified
AliasesUBUNTU-CVE-2018-8014GHSA-r4x2-3cq5-hqvp
Published 16-05-2018Last modified 15-10-2026

Vulnerability summary

CVE-2018-8014 is a critical (CVSS 9.8) vulnerability in apache software foundation apache tomcat. EPSS estimates a 20.94% chance of exploitation in the next 30 days, higher than 97.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 9.8 (NVD); no exploitation reported by the 5 checked sources; EPSS 21% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
9.8/10
010
Critical · v3.0 (NVD)
EPSS score
20.94%
0%100%
High · -0.37 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 15 · Related 7
DLA-1400-1DLA-1883-1DSA-4596-1MGASA-2018-0479OPENSUSE-SU-2024:11468-1OPENSUSE-SU-2024:13441-1

Timeline

  1. 16-05-2018
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

The defaults settings for the CORS filter provided in Apache Tomcat 9.0.0.M1 to 9.0.8, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, 7.0.41 to 7.0.88 are insecure and enable 'supportsCredentials' for all origins. It is expected that users of the CORS filter will have configured it appropriately for their environment rather than using it in the default configuration. Therefore, it is expected that most users will not be impacted by this issue.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

20.94%

Chance of exploitation in the next 30 days

Percentile

98%

Versus all other CVEs

30-day change

Decrease -0.37 pp

From 21.31% 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, no user interaction (CVSS vector). Other conditions: not stated in public data.

Netapp5 products
Ubuntu2 products
  • tomcat7< 7.0.52-1ubuntu0.14 | All versions (No fix recorded)
  • tomcat8< 8.0.32-1ubuntu1.6 | < 8.5.30-1ubuntu1.2
Apache1 product
  • tomcatEOL≥ 7.0.41, ≤ 7.0.88 | ≥ 8.0.0, ≤ 8.0.52 | ≥ 8.5.0, ≤ 8.5.31 | ≥ 9.0.0, ≤ 9.0.8 | 8.0.0:rc1 | 9.0.0:milestone1
Apache software foundation1 product
  • apache tomcat9.0.0.M1 to 9.0.8 | 8.5.0 to 8.5.31 | 8.0.0.RC1 to 8.0.52 | 7.0.41 to 7.0.88
Canonical1 product
Debian1 product
Org.apache.tomcat.embed1 product
  • tomcat-embed-core≥ 9.0.0.M1, < 9.0.9 | ≥ 8.5.0, < 8.5.32 | ≥ 8.0.0RC1, < 8.0.53 | ≥ 7.0.41, < 7.0.88

7 vendors · 12 products

References

72 links
Show all 72 references