CVE-2022-24402CWE-334
Intentionally weakened effective strength in TETRA TEA1
High · published October 19, 2023
What it is
The TETRA TEA1 keystream generator implements a key register initialization function that compresses the 80-bit key to only 32 bits for usage during the keystream generation phase, which is insufficient to safeguard against exhaustive search attacks.
The record
Technical detail
- CVSS v3.1
- 8.8 · HIGH
- Vector
- CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:F/RL:U/RC:C/CR:H/IR:H/AR:H/MAV:A/MAC:L/MPR:N/MUI:N/MS:U/MC:H/MI:H/MA:H
- CVSS v4.0
- Not supplied
- EPSS
- 0.00602 · 48.1th percentile
- Weakness
- CWE-334 · Small Space of Random Values
- Published
- 2023-10-19T09:32Z
EPSS history
Timeline