How severe is CVE-2018-6289?

CVE-2018-6289 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-6289 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6289?

CVE-2018-6289 affects Kaspersky Secure Mail Gateway. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6289?

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

When was CVE-2018-6289 published?

CVE-2018-6289 was published on 2018-02-06 and last updated on 2026-06-17.

CVE-2018-6289

CVE-2018-6289 is a critical-severity vulnerability in Kaspersky Secure Mail Gateway with a CVSS 3.x base score of 9.8. 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-74.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 7% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Kaspersky Secure Mail Gateway
Published: 2018-02-06
Last modified: 2026-06-17

Description

Configuration file injection leading to Code Execution as Root in Kaspersky Secure Mail Gateway version 1.1.

Frequently asked questions

What is CVE-2018-6289?: Configuration file injection leading to Code Execution as Root in Kaspersky Secure Mail Gateway version 1.1.
How severe is CVE-2018-6289?: CVE-2018-6289 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-6289 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 7% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6289?: CVE-2018-6289 affects Kaspersky Secure Mail Gateway. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6289?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-6289 published?: CVE-2018-6289 was published on 2018-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kaspersky:secure_mail_gateway:1.1:*:*:*:*:*:*:*

More vulnerabilities in Kaspersky Secure Mail Gateway

CVE-2018-6288 — High (CVSS 8.8): Cross-site Request Forgery leading to Administrative account takeover in Kaspersky Secure Mail Gateway version 1.1.
CVE-2018-6290 — High (CVSS 7.8): Local Privilege Escalation in Kaspersky Secure Mail Gateway version 1.1.
CVE-2018-6291 — Medium (CVSS 6.1): WebConsole Cross-Site Scripting in Kaspersky Secure Mail Gateway version 1.1.

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