CVE-2023-44216

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 ImpactpartialSuccessful exploitation gives limited 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

1.81% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 76.7% of scored records. A rank, not a probability.

NVD base score

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

NVD CVSS vector

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

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

2023-09-26 00:00Z2 YR AGO

Last updated

2024-09-24 18:11Z1 YR AGO

Reserved

2023-09-26

Assigning CNA

mitre

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

• CWE-203Observable DiscrepancyBase

Data version

5.1

Document digest

17a33b6bdf9f58c57adda0030a3566ee3bc9a87593a30d23189a6448c33c743f

• www.hertzbleed.comhttps://www.hertzbleed.com/gpu.zip/
• www.hertzbleed.comhttps://www.hertzbleed.com/gpu.zip/GPU-zip.pdf
• github.comhttps://github.com/UT-Security/gpu-zip
• www.w3.orghttps://www.w3.org/TR/filter-effects-1/
• blog.imaginationtech.comhttps://blog.imaginationtech.com/reducing-bandwidth-pvric/
• blog.imaginationtech.comhttps://blog.imaginationtech.com/introducing-pvric4-taking-image-compression-to-the-next-level/
• arstechnica.comhttps://arstechnica.com/security/2023/09/gpus-from-all-major-suppliers-are-vulnerable-to-new-pixel-stealing-attack/
• news.ycombinator.comhttps://news.ycombinator.com/item?id=37663159
• www.bleepingcomputer.comhttps://www.bleepingcomputer.com/news/security/modern-gpus-vulnerable-to-new-gpuzip-side-channel-attack/