CVE-2020-10687

Aliases:GHSA-p9w3-gwc2-cr49
Advisory lineage Upstream: 0 Downstream: 11
Modified
Published: 23 Sept 2020, 12:30
Last modified:04 Aug 2024, 11:06

Vulnerability Summary

Overall Risk (default)
low
23/100
CVSS Score
5.8 MEDIUM
v2.0 (nvd)
EPSS Score
0.12% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

23 Sept 2020, 12:30
Published
Vulnerability first disclosed
04 Aug 2024, 11:06
Last Modified
Vulnerability information updated

Description

A flaw was discovered in all versions of Undertow before Undertow 2.2.0.Final, where HTTP request smuggling related to CVE-2017-2666 is possible against HTTP/1.x and HTTP/2 due to permitting invalid characters in an HTTP request. This flaw allows an attacker to poison a web-cache, perform an XSS attack, or obtain sensitive information from request other than their own.

CVSS Metrics

  • v3.1•MEDIUM•Score: 4.8CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
  • v2.0•MEDIUM•Score: 5.8AV:N/AC:M/Au:N/C:P/I:P/A:N

EPSS Trends

Current EPSS score: 0.12%• Percentile: 31%

Techniques & Countermeasures

  • CWE-444•Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

    The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination.

Affected Systems

  • io.undertow•undertow-core

    < 2.2.0.Final

  • redhat•jboss_enterprise_application_platform

    na | 7.2 | 7.3 | 7.4

  • redhat•single_sign-on

    na

  • redhat•undertow

    < 2.2.0

References (6)