CVE-2023-33046: Time-of-check Time-of-use (TOCTOU) Race Condition in Trusted Execution Environment
Modified
Published 06-02-2024Last modified 17-06-2025
Vulnerability summary
CVE-2023-33046 is a high (CVSS 7.8) vulnerability in qualcomm, inc. snapdragon. EPSS estimates a 0.08% chance of exploitation in the next 30 days, higher than 0.1% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.08%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 06-02-2024PublishedVulnerability first disclosed.
- 17-06-2025Last modifiedVulnerability information updated.
Description
Memory corruption in Trusted Execution Environment while deinitializing an object used for license validation.
CVSS metrics
2 scores · 2 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSources2 sources · 7.0–7.8
- NVDNIST7.0HighCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.08%
Chance of exploitation in the next 30 days
Percentile
0%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.08% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionThe product checks the state of a resource before using that resource, but the resource's state can change between the check and the use in a way that invalidates the results of the check.
- CWE-787Out-of-bounds WriteThe product writes data past the end, or before the beginning, of the intended buffer.
Affected systems
Qualcomm48 products
- ar8035_firmwarena
- fastconnect_6900_firmwarena
- fastconnect_7800_firmwarena
- flight_rb5_5g_platform_firmwarena
- qam8295p_firmwarena
Qualcomm, inc.1 product
- snapdragonAR8035 | FastConnect 6900 | FastConnect 7800 | Flight RB5 5G Platform | QAM8295P | QCA6391 | QCA6574AU | QCA6595 | QCA6696 | QCA6698AQ | QCA8081 | QCA8337 | QCM8550 | QCN6024 | QCN9011 | QCN9012 | QCN9024 | QCS7230 | QCS8250 | QCS8550 | QRB5165M | QRB5165N | Qualcomm Video Collaboration VC5 Platform | Robotics RB5 Platform | SA8295P | SA8540P | SA9000P | SG8275P | SM8550P | Snapdragon 8+ Gen 2 Mobile Platform | Snapdragon 8cx Gen 3 Compute Platform (SC8280XP-AB, BB) | Snapdragon AR2 Gen 1 Platform | Snapdragon X65 5G Modem-RF System | Snapdragon X70 Modem-RF System | SSG2115P | SSG2125P | SXR1230P | SXR2230P | WCD9380 | WCD9385 | WCD9390 | WCD9395 | WSA8830 | WSA8832 | WSA8835 | WSA8840 | WSA8845 | WSA8845H
2 vendors · 49 products