Vulnerability Intelligence Report
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.
No Active Exploit Signals
CVSS Base Score
6.1
MEDIUM
Exploitability:2.9
Impact Score:2.8
EPSS Probability:0.42%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
—
Weaponization
—
SSVC Action
—
Weaknesses (CWE)
CWE-79 ↗CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| seppmail | seppmail | 11.1.10 |
References & Technical Advisories
No reference links found.
Threat Intelligence Signals
EPSS Score
0.423%
GitHub Advisory
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | MITRE Corporation · N/A · USA |
| Reserved | 2021-04-23T00:00:00 |
| Published | 2022-11-18T00:00:00 |
| Last Updated | 2025-04-29T19:17:51 |
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