CVE-2023-33983

The Introduction Client in Briar through 1.5.3 does not implement out-of-band verification for the public keys of introducees

High · published May 24, 2023

CVSS v3.1
7.4
EPSS
1%
Percentile
47.5
In the wild
Unconfirmed
What it is

The Introduction Client in Briar through 1.5.3 does not implement out-of-band verification for the public keys of introducees. An introducer can launch man-in-the-middle attacks against later private communication between two introduced parties.

The record
Technical detail
CVSS v3.1
7.4 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00591 · 47.5th percentile
Published
2023-05-24T00:00Z
EPSS history
Timeline
  • 24 MAY 00:00Z
    The Introduction Client in Briar through 1.5.3 does not implement out-of-band verification for the public keys of introducees
    cvelistv5