CVE-2019-16791CWE-757

downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver

Medium · published January 22, 2020

CVSS v3.1
6.9
EPSS
1%
Percentile
58.0
In the wild
Unconfirmed
What it is

In postfix-mta-sts-resolver before 0.5.1, All users can receive incorrect response from daemon under rare conditions, rendering downgrade of effective STS policy.

The record
Technical detail
CVSS v3.1
6.9 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00858 · 58.0th percentile
Weakness
CWE-757 · Selection of Less-Secure Algorithm During Negotiation ('Algorithm Downgrade')
Published
2020-01-22T01:40Z
EPSS history
Timeline
  • 22 JAN 01:40Z
    downgrade of effective Strict Transport Security (STS) policy in postfix-mta-sts-resolver
    cvelistv5