4.8

CVE-2021-3688: redhat jboss_core_services_httpd

CVSS: 4.8v3.1MediumModified
Published 26-08-2022Last modified 03-08-2024

Vulnerability summary

CVE-2021-3688 is a medium (CVSS 4.8) vulnerability in redhat jboss_core_services_httpd. EPSS estimates a 0.57% chance of exploitation in the next 30 days, higher than 46% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.8/10
010
Medium · v3.1 (NVD)
EPSS score
0.57%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1

Timeline

  1. 26-08-2022
    PublishedVulnerability first disclosed.
  2. 03-08-2024
    Last modifiedVulnerability information updated.

Description

A flaw was found in Red Hat JBoss Core Services HTTP Server in all versions, where it does not properly normalize the path component of a request URL contains dot-dot-semicolon(s). This flaw could allow an attacker to access unauthorized information or possibly conduct further attacks. The highest threat from this vulnerability is to data confidentiality and integrity.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.57%

Chance of exploitation in the next 30 days

Percentile

46%

Versus all other CVEs

30-day change

+0.01 pp

From 0.56% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.57%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Redhat1 product
  • jboss_core_services_httpd< 2.4.37 | 2.4.37 | 2.4.37:sp1 | 2.4.37:sp2 | 2.4.37:sp3 | 2.4.37:sp4 | 2.4.37:sp5 | 2.4.37:sp6 | 2.4.37:sp7 | 2.4.37:sp8 | 2.4.37:sp9

1 vendor · 1 product

References

2 links