CVE-2024-55884

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

1.32% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 68.9% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

NVD analysis status

Deferred. 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

2024-12-11 00:00Z1 YR AGO

Last updated

2024-12-12 16:15Z1 YR AGO

Reserved

2024-12-11

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Critical (CVSS 9.0)

CNA CVSS vector

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

Weaknesses

• CWE-787Out-of-bounds WriteBase

Data version

5.1

Document digest

0ca16fa64279b440a71fedec789b9f66b1bed618c892b49225de91e4f6505d28

• x41-dsec.dehttps://x41-dsec.de/news/2024/12/11/mullvad/
• news.ycombinator.comhttps://news.ycombinator.com/item?id=42390768
• github.comhttps://github.com/mullvad/mullvadvpn-app/commit/ef6c862071b26023802b00d6e1dc6ca53d1ab3e6