How severe is CVE-2018-18894?

CVE-2018-18894 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-2018-18894 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18894?

CVE-2018-18894 primarily affects Lexmark 6500e Firmware. In total, 49 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-18894?

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-2018-18894 published?

CVE-2018-18894 was published on 2020-03-10 and last updated on 2026-06-17.

CVE-2018-18894

CVE-2018-18894 is a high-severity vulnerability in Lexmark 6500e Firmware 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Lexmark 6500e Firmware
Published: 2020-03-10
Last modified: 2026-06-17

Description

Certain older Lexmark devices (C, M, X, and 6500e before 2018-12-18) contain a directory traversal vulnerability in the embedded web server.

Frequently asked questions

What is CVE-2018-18894?: Certain older Lexmark devices (C, M, X, and 6500e before 2018-12-18) contain a directory traversal vulnerability in the embedded web server.
How severe is CVE-2018-18894?: CVE-2018-18894 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-2018-18894 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18894?: CVE-2018-18894 primarily affects Lexmark 6500e Firmware. In total, 49 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-18894?: 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-2018-18894 published?: CVE-2018-18894 was published on 2020-03-10 and last updated on 2026-06-17.

References

Affected products (49)

cpe:2.3:o:lexmark:6500e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:c748_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:c79x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:c925_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:c95x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cs41x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cs51x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cs748_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cs796_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cx410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:cx510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m3150_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5155_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5163_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:m5170_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms610de_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms610dte_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms810de_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms812de_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:ms91x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx410_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx510_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx511_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx610_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx611_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx6500e_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx71x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx81x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:mx91x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:sm91x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x46x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x548_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x65x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x73x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x74x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x792_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x86x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x925_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:x95x_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:lexmark:xc2132_firmware:*:*:*:*:*:*:*:*

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