XSS in Seppmail

CVE-2021-31739

The SEPPmail solution is vulnerable to a Cross-Site Scripting vulnerability (XSS), because user input is not correctly encoded in HTML attributes when returned by the server.SEPPmail 11.1.10 allows XSS via a recipient address.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.004 (34.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

  • Seppmail — versions 11.1.10
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-31739?
CVE-2021-31739 is a medium-severity vulnerability in Seppmail, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-11-18.
How severe is CVE-2021-31739?
Medium severity. CVSS v3 base score is 6.1 out of 10.