What is CVE-2018-15520?

CVE-2018-15520 is a critical-severity vulnerability in Lexmark Cx421, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-06-28.

How severe is CVE-2018-15520?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Buffer overflow in Lexmark Cx421

CVE-2018-15520

Various Lexmark devices have a Buffer Overflow (issue 2 of 2).

Vulnerability class: Buffer Overflow

EPSS: 0.012 (64.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lexmark Cx421
Lexmark Cx421_firmware
Lexmark Cx522
Lexmark Cx522_firmware
Lexmark Cx62x
Lexmark Cx62x_firmware
Lexmark Cx72x
Lexmark Cx72x_firmware
Lexmark Cx82x
Lexmark Cx82x_firmware

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-15520?: CVE-2018-15520 is a critical-severity vulnerability in Lexmark Cx421, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2019-06-28.
How severe is CVE-2018-15520?: Critical severity. CVSS v3 base score is 9.8 out of 10.