01 Record
CVE-2025-46570
vLLM’s Chunk-Based Prefix Caching Vulnerable to Potential Timing Side-Channel
LowPUBLISHEDCNA: GitHub_M
CNA base score2.6 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
02 Description
vLLM’s Chunk-Based Prefix Caching Vulnerable to Potential Timing Side-Channel
03 Exploitation and scoring
- 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 ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
- EPSS probability
- 0.43% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 36.9% of scored records. A rank, not a probability.
- NVD base score
- 2.6 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
- NVD analysis status
- Analyzed. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Low. 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.
04 Metadata
- Published
- 2025-05-29 16:32Z1 YR AGO
- Last updated
- 2025-05-29 18:05Z1 YR AGO
- Reserved
- 2025-04-24
- Assigning CNA
- GitHub_M
- Record state
- PUBLISHED
- Severity
- Low (CVSS 2.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
- Weaknesses
- Data version
- 5.1
- Document digest
- 67880bee82841709149978714274fb67ce97a7de0a6787a6af6956684dc6de8f
05 Affected products
VendorProductVersionsPlatforms