01 Record
CVE-2021-30304
Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer
HighPUBLISHEDCNA: qualcomm
CNA base score7.5 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
02 Description
Possible buffer out of bound read can occur due to improper validation of TBTT count and length while parsing the beacon response in Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer
03 Exploitation and scoring
- 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
- 0.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.1% of scored records. A rank, not a probability.
- NVD base score
- 9.1 (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:H
- 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.
04 Metadata
- Published
- 2021-10-20 06:31Z5 YR AGO
- Last updated
- 2024-08-03 22:32Z2 YR AGO
- Reserved
- 2021-04-07
- Assigning CNA
- qualcomm
- Record state
- PUBLISHED
- Severity
- High (CVSS 7.5)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.1
- Document digest
- 425518edc7125b8e33a680d08adf3e80362be33ca619820840f2bc8c3da1eb2a
05 Affected products
VendorProductVersionsPlatforms
Qualcomm, Inc.Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics ConnectivityQCA2062, QCA2064, QCA2065, QCA2066, SC8280XP, WCD9380, WCD9385, WCN6850, WCN6851, WCN6855, WCN6856, WSA8830, WSA8835—