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CVE-2023-23923

HIGHCVSS 8.2/10EPSS 0.96%

Last modified

CVE-2023-23923 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. EPSS estimates a 0.96% chance of exploitation in the next 30 days.

Description

The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

Metrics

CVSS 3.1
8.2/10

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

EPSS Probability
0.96%

56.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MoodleMoodle>= 3.9.0, < 3.9.19
MoodleMoodle>= 3.11.0, < 3.11.12
MoodleMoodle>= 4.0.0, < 4.0.6
MoodleMoodle4.1.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-23923?
The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
How severe is CVE-2023-23923?
CVE-2023-23923 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 0.96% probability of exploitation in the next 30 days.
How do I fix CVE-2023-23923?
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-2023-23923?

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

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Source: NVD / NIST