Vulnerability in Postalserver Postal
CVE-2024-27938
Postal is an open source SMTP server. Postal versions less than 3.0.0 are vulnerable to SMTP Smuggling attacks which may allow incoming e-mails to be spoofed. This, in conjunction with a cooperative outgoing SMTP service, would allow for a…
EPSS: 0.008 (74.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.
Affected products
- Postalserver Postal — versions < 3.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- https://github.com/postalserver/postal/security/advisories/GHSA-j42r-6c99-hqf2 (x_refsource_CONFIRM)
- https://github.com/postalserver/postal/commit/0140dc4 (x_refsource_MISC)
- https://sec-consult.com/blog/detail/smtp-smuggling-spoofing-e-mails-worldwide (x_refsource_MISC)
- https://www.postfix.org/smtp-smuggling.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2024-27938?
- CVE-2024-27938 is a medium-severity vulnerability in Postalserver Postal, classified under Improper Encoding or Escaping of Output. CVSS score: 5.3/10. Published 2024-03-11.
- How severe is CVE-2024-27938?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2024-27938 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.