CVE-2023-26084 json
The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected dat…
published 2023-03-15 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-29958
- cvss
- 3.7
- 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 30%
- public exploits
- 0
- none known
Summary
The armv8_dec_aes_gcm_full() API of Arm AArch64cryptolib before 86065c6 fails to the verify the authentication tag of AES-GCM protected data, leading to a man-in-the-middle attack. This occurs because of an improperly initialized variable.
Patch / fix
- arm aarch64cryptolib 2023-02-20
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 20 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
| NVD | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
| CNA | 3.1 | 3.7 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N |
Classification
- Weakness
-
- CWE-665 Improper Initialization
References
-
github.com
/ARM-software/AArch64cryptolib/security/advisories/GHSA-47c6-7x5x-r74g
patch, vendor-advisory
Sources
- CVE List CVE-2023-26084
- NVD CVE-2023-26084
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