How severe is CVE-2018-18563?

CVE-2018-18563 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18563 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18563?

CVE-2018-18563 primarily affects Roche Accu-chek Inform Ii Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-18563?

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-2018-18563 published?

CVE-2018-18563 was published on 2018-11-20 and last updated on 2026-06-17.

CVE-2018-18563

CVE-2018-18563 is a critical-severity vulnerability in Roche Accu-chek Inform Ii Firmware with a CVSS 3.x base score of 9.6. 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
CVSS v2: 8.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Roche Accu-chek Inform Ii Firmware
Published: 2018-11-20
Last modified: 2026-06-17

Description

An issue was discovered in Roche Accu-Chek Inform II Instrument before 03.06.00 (Serial number below 14000) and 04.x before 04.03.00 (Serial Number above 14000), CoaguChek Pro II before 04.03.00, CoaguChek XS Plus before 03.01.06, CoaguChek XS Pro before 03.01.06, cobas h 232 before 03.01.03 (Serial Number below KQ0400000 or KS0400000) and cobas h 232 before 04.00.04 (Serial Number above KQ0400000 or KS0400000). Improper access control to a service command allows attackers in the adjacent network to execute arbitrary code on the system through a crafted Poct1-A message.

Frequently asked questions

What is CVE-2018-18563?: An issue was discovered in Roche Accu-Chek Inform II Instrument before 03.06.00 (Serial number below 14000) and 04.x before 04.03.00 (Serial Number above 14000), CoaguChek Pro II before 04.03.00, CoaguChek XS Plus before 03.01.06, CoaguChek XS Pro before 03.01.06, cobas h 232 before 03.01.03 (Serial Number below KQ0400000 or KS0400000) and cobas h 232 before 04.00.04 (Serial Number above KQ0400000 or KS0400000). Improper access control to a service command allows attackers in the adjacent network to execute arbitrary code on the system through a crafted Poct1-A message.
How severe is CVE-2018-18563?: CVE-2018-18563 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18563 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18563?: CVE-2018-18563 primarily affects Roche Accu-chek Inform Ii Firmware. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-18563?: 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-2018-18563 published?: CVE-2018-18563 was published on 2018-11-20 and last updated on 2026-06-17.

References

Affected products (5)

cpe:2.3:o:roche:accu-chek_inform_ii_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:roche:cobas_h_232_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:roche:coaguchek_pro_ii_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:roche:coaguchek_xs_plus_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:roche:coaguchek_xs_pro_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Roche Accu-chek Inform Ii Firmware

CVE-2018-18562 — High (CVSS 8.8): An issue was discovered in Roche Accu-Chek Inform II Base Unit / Base Unit Hub before 03.01.04 and CoaguChek / cobas…
CVE-2018-18561 — High (CVSS 8.0): An issue was discovered in Roche Accu-Chek Inform II Base Unit / Base Unit Hub before 03.01.04 and CoaguChek / cobas…
CVE-2018-18564 — High (CVSS 7.4): An issue was discovered in Roche Accu-Chek Inform II Instrument before 03.06.00 (Serial number below 14000) and 04.x…
CVE-2018-18565 — Medium (CVSS 6.8): An issue was discovered in Roche Accu-Chek Inform II Instrument before 03.06.00 (Serial number below 14000) and 04.x…

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