CVE-2023-4649

Name: CVE-2023-4649
Creator: NVD / NIST
Published: 2023-08-31T01:15:09.39+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.37%

Last modified Jun 17, 2026

CVE-2023-4649 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Session Fixation in GitHub repository instantsoft/icms2 prior to 2.16.1.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.

Description

Session Fixation in GitHub repository instantsoft/icms2 prior to 2.16.1.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS Probability

0.37%

28.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-384

Affected Software

Vendor	Product	Versions
Instantcms	Instantcms	< 2.16.1

References

https://github.com/instantsoft/icms2/commit/ca5f150da11d9caae86638885137afe35bcc3592Patch
https://huntr.dev/bounties/069bb1f3-0805-480d-a6e1-b3345cdc60f3Exploit, Patch, Third Party Advisory
https://github.com/instantsoft/icms2/commit/ca5f150da11d9caae86638885137afe35bcc3592Patch
https://huntr.dev/bounties/069bb1f3-0805-480d-a6e1-b3345cdc60f3Exploit, Patch, Third Party Advisory

Timeline

Published: Aug 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-4649?

Session Fixation in GitHub repository instantsoft/icms2 prior to 2.16.1.

How severe is CVE-2023-4649?

CVE-2023-4649 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.37% probability of exploitation in the next 30 days.

How do I fix CVE-2023-4649?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-4649?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST