How severe is CVE-2019-13203?

CVE-2019-13203 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-13203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-13203?

CVE-2019-13203 affects Kyocera Ecosys M5526cdw Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-13203?

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-2019-13203 published?

CVE-2019-13203 was published on 2020-03-13 and last updated on 2026-06-17.

CVE-2019-13203

CVE-2019-13203 is a high-severity vulnerability in Kyocera Ecosys M5526cdw Firmware with a CVSS 3.x base score of 8.8. 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-190.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 9.0
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Kyocera Ecosys M5526cdw Firmware
Published: 2020-03-13
Last modified: 2026-06-17

Description

Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by an integer overflow vulnerability in the arg3 parameter of several functionalities of the web application that would allow an authenticated attacker to perform a Denial of Service attack, crashing the device, or potentially execute arbitrary code on the device.

Frequently asked questions

What is CVE-2019-13203?: Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by an integer overflow vulnerability in the arg3 parameter of several functionalities of the web application that would allow an authenticated attacker to perform a Denial of Service attack, crashing the device, or potentially execute arbitrary code on the device.
How severe is CVE-2019-13203?: CVE-2019-13203 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-13203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-13203?: CVE-2019-13203 affects Kyocera Ecosys M5526cdw Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-13203?: 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-2019-13203 published?: CVE-2019-13203 was published on 2020-03-13 and last updated on 2026-06-17.

References

https://www.nccgroup.trust/us/our-research/technical-advisory-multiple-vulnerabilities-in-kyocera-printers/

Affected products (1)

cpe:2.3:o:kyocera:ecosys_m5526cdw_firmware:2r7_2000.001.701:*:*:*:*:*:*:*

More vulnerabilities in Kyocera Ecosys M5526cdw Firmware

CVE-2019-13202 — Critical (CVSS 9.8): Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by a buffer overflow vulnerability…
CVE-2019-13201 — Critical (CVSS 9.8): Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by a buffer overflow vulnerability…
CVE-2019-13197 — Critical (CVSS 9.8): Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by a buffer overflow vulnerability…
CVE-2019-13204 — Critical (CVSS 9.8): Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by multiple buffer overflow…
CVE-2019-13196 — High (CVSS 8.8): Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by a buffer overflow vulnerability…
CVE-2019-13206 — High (CVSS 8.8): Some Kyocera printers (such as the ECOSYS M5526cdw 2R7_2000.001.701) were affected by a buffer overflow vulnerability…

All CVEs affecting Kyocera Ecosys M5526cdw Firmware →

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