CVE-2021-38751

A HTTP Host header attack exists in ExponentCMS 2.6 and below in /exponent_constants.php. A modified HTTP header can change links on the webpage to an arbitrary value, leading to a possible attack vector for MITM.

CVSS v3.1

4.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

EPSS

2.47% chance of exploitation in the next 30 days, 83th percentile

Nuclei

medium · CWE-116

Published

2021-08-16

Updated

2024-08-04

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-38751.yaml

References

• CVE Record
• NVD entry

Related

• CVE-2021-3875
• CVE-2021-38752
• CVE-2021-3874
• CVE-2021-38753
• CVE-2021-38721
• CVE-2021-38757