CVE-2023-40104 json
In ca-certificates, there is a possible way to read encrypted TLS data due to untrusted cryptographic certificates.
published 2024-02-15 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-44711
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
In ca-certificates, there is a possible way to read encrypted TLS data due to untrusted cryptographic certificates. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Google Android
Classification
- Weakness
-
- CWE-295 Improper Certificate Validation
References
-
android.googlesource.com
/platform/system/ca-certificates/+/91204b9fdbd77b3f27f94b73868607b2dccbfdad
mailing-list, patch
-
source.android.com
/security/bulletin/2023-11-01
patch, vendor-advisory
Sources
- CVE List CVE-2023-40104
- NVD CVE-2023-40104
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