CVE-2024-4367

Exploitation

Public exploit code exists. CISA's assessment records a public proof of concept. That is not a report of exploitation in the wild.

SSVC decision

• ExploitationpocPublic proof-of-concept exploit code exists. Not a report of exploitation in the wild.
• 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

70.66% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 99.3% 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:N/UI:R/S:U/C:H/I:H/A:H

NVD analysis status

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

Red Hat severity

Important. 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

2024-05-14 17:21Z2 YR AGO

Last updated

2026-05-12 11:30Z3 MO AGO

Reserved

2024-04-30

Assigning CNA

mozilla

Record state

PUBLISHED

Severity

Medium (CVSS 5.6)

CNA CVSS vector

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

Weaknesses

• CWE-754Improper Check for Unusual or Exceptional ConditionsClass

Data version

5.2

Document digest

94195d07296767269b99f563448880360bac4464eb84b3ac2facba06e6cb2fbd

• bugzilla.mozilla.orghttps://bugzilla.mozilla.org/show_bug.cgi?id=1893645
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-21/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-22/
• www.mozilla.orghttps://www.mozilla.org/security/advisories/mfsa2024-23/
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/05/msg00010.html
• lists.debian.orghttps://lists.debian.org/debian-lts-announce/2024/05/msg00012.html
• seclists.orghttp://seclists.org/fulldisclosure/2024/Aug/30
• github.comhttps://github.com/mozilla/pdf.js/releases/tag/v4.2.67
• codeanlabs.comhttps://codeanlabs.com/blog/research/cve-2024-4367-arbitrary-js-execution-in-pdf-js/
• github.comhttps://github.com/gogs/gogs/issues/7928
• www.exploit-db.comhttps://www.exploit-db.com/exploits/52273
• cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-827383.html