CVE-2021-31740
CVE-2021-31740 is a medium-severity vulnerability in Seppmail with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 6.1)
- EPSS exploit prediction: 0% (34th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Seppmail
- Published:
- Last modified:
Description
SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
Frequently asked questions
- What is CVE-2021-31740?
- SEPPMail's web frontend, user input is not embedded correctly in the web page and therefore leads to cross-site scripting vulnerabilities (XSS).
- How severe is CVE-2021-31740?
- CVE-2021-31740 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-31740 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-31740?
- CVE-2021-31740 affects Seppmail. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-31740?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-31740 published?
- CVE-2021-31740 was published on 2022-11-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:seppmail:seppmail:-:*:*:*:*:*:*:*
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