CVE-2021-46900
7.5
HIGH
CVSS 3.1
EPSS 0.10%
Description
Sympa before 6.2.62 relies on a cookie parameter for certain security objectives, but does not ensure that this parameter exists and has an unpredictable value. Specifically, the cookie parameter is both a salt for stored passwords and an XSS protection mechanism.
How to fix CVE-2021-46900
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/sympa—no fix listed
Is CVE-2021-46900 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |