CVE-2023-3823

Exploitation

Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.

SSVC decision

Not assessed by CISA

EPSS probability

1.64% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 74.3% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

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

Red Hat severity

Moderate. Red Hat's rating for its own products, not a CVSS rating.

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

2023-08-11 05:42Z3 YR AGO

Last updated

2025-02-13 17:01Z1 YR AGO

Reserved

2023-07-21

Assigning CNA

php

Record state

PUBLISHED

Severity

High (CVSS 8.6)

CNA CVSS vector

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

Weaknesses

• CWE-611Improper Restriction of XML External Entity ReferenceBase

Data version

5.1

Document digest

d39cb18f4d1260fd87eb340354e5d20583aa54cc414c929fc6e291da62c132ae

• github.comhttps://github.com/php/php-src/security/advisories/GHSA-3qrf-m4j2-pcrr
• lists.fedoraproject.orghttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7NBF77WN6DTVTY2RE73IGPYD6M4PIAWA/
• security.netapp.comhttps://security.netapp.com/advisory/ntap-20230825-0001/
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2023/09/msg00002.html