Vulnerability in Postorius_project Postorius

CVE-2021-40347

An issue was discovered in views/list.py in GNU Mailman Postorius before 1.3.5. An attacker (logged into any account) can send a crafted POST request to unsubscribe any user from a mailing list, also revealing whether that address was subs…

EPSS: 0.012 (64.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.

Affected products

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC, Issue Tracking)
  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
  • cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory)
  • cve@mitre.org (x_refsource_CONFIRM, Mailing List, Third Party Advisory)

Frequently asked questions

What is CVE-2021-40347?
CVE-2021-40347 is a medium-severity vulnerability in Postorius_project Postorius. CVSS score: 5.4/10. Published 2021-09-10.
How severe is CVE-2021-40347?
Medium severity. CVSS v3 base score is 5.4 out of 10.