How severe is CVE-2018-21235?

CVE-2018-21235 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-21235 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-21235?

CVE-2018-21235 affects Foxitsoftware E-mail Advertising System. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-21235?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-21235 published?

CVE-2018-21235 was published on 2020-06-04 and last updated on 2026-06-17.

CVE-2018-21235

CVE-2018-21235 is a high-severity vulnerability in Foxitsoftware E-mail Advertising System with a CVSS 3.x base score of 7.5. 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-287.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Foxitsoftware E-mail Advertising System
Published: 2020-06-04
Last modified: 2026-06-17

Description

An issue was discovered in Foxit E-mail advertising system before September 2018. It allows authentication bypass and information disclosure, related to Interspire Email Marketer.

Frequently asked questions

What is CVE-2018-21235?: An issue was discovered in Foxit E-mail advertising system before September 2018. It allows authentication bypass and information disclosure, related to Interspire Email Marketer.
How severe is CVE-2018-21235?: CVE-2018-21235 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-21235 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-21235?: CVE-2018-21235 affects Foxitsoftware E-mail Advertising System. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-21235?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-21235 published?: CVE-2018-21235 was published on 2020-06-04 and last updated on 2026-06-17.

References

https://www.foxitsoftware.com/support/security-bulletins.php

Affected products (1)

cpe:2.3:a:foxitsoftware:e-mail_advertising_system:*:*:*:*:*:*:*:*

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