CVE-2023-5539

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

2.18% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 82.1% of scored records. A rank, not a probability.

NVD base score

8.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2023-11-09 19:11Z2 YR AGO

Last updated

2024-09-03 18:29Z2 YR AGO

Reserved

2023-10-11

Assigning CNA

fedora

Record state

PUBLISHED

Severity

Medium (CVSS 4.7)

CNA CVSS vector

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

Weaknesses

• CWE-94Improper Control of Generation of Code ('Code Injection')Base

Data version

5.1

Document digest

dce30376b3f0409d021c5de109b907868a42fb91e8dea60c1f53446137a96592

• git.moodle.orghttp://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-79408
• bugzilla.redhat.comRHBZ#2243352https://bugzilla.redhat.com/show_bug.cgi?id=2243352issue-trackingx_refsource_REDHAT
• moodle.orghttps://moodle.org/mod/forum/discuss.php?d=451580