How severe is CVE-2020-5608?

CVE-2020-5608 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-2020-5608 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-5608?

CVE-2020-5608 primarily affects Yokogawa Centum Cs 3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-5608?

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-2020-5608 published?

CVE-2020-5608 was published on 2020-08-05 and last updated on 2026-06-17.

CVE-2020-5608

CVE-2020-5608 is a critical-severity vulnerability in Yokogawa Centum Cs 3000 Firmware 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Yokogawa Centum Cs 3000 Firmware
Published: 2020-08-05
Last modified: 2026-06-17

Description

CAMS for HIS CENTUM CS 3000 (includes CENTUM CS 3000 Small) R3.08.10 to R3.09.50, CENTUM VP (includes CENTUM VP Small, Basic) R4.01.00 to R6.07.00, B/M9000CS R5.04.01 to R5.05.01, and B/M9000 VP R6.01.01 to R8.03.01 allows a remote unauthenticated attacker to bypass authentication and send altered communication packets via unspecified vectors.

Frequently asked questions

What is CVE-2020-5608?: CAMS for HIS CENTUM CS 3000 (includes CENTUM CS 3000 Small) R3.08.10 to R3.09.50, CENTUM VP (includes CENTUM VP Small, Basic) R4.01.00 to R6.07.00, B/M9000CS R5.04.01 to R5.05.01, and B/M9000 VP R6.01.01 to R8.03.01 allows a remote unauthenticated attacker to bypass authentication and send altered communication packets via unspecified vectors.
How severe is CVE-2020-5608?: CVE-2020-5608 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-2020-5608 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-5608?: CVE-2020-5608 primarily affects Yokogawa Centum Cs 3000 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-5608?: 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-2020-5608 published?: CVE-2020-5608 was published on 2020-08-05 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:yokogawa:centum_cs_3000_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:centum_vp_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:b\/m9000cs_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:yokogawa:b\/m9000vp_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Yokogawa Centum Cs 3000 Firmware

CVE-2020-5609 — Critical (CVSS 9.8): Directory traversal vulnerability in CAMS for HIS CENTUM CS 3000 (includes CENTUM CS 3000 Small) R3.08.10 to R3.09.50,…
CVE-2015-5628 — Critical (CVSS 9.8): Stack-based buffer overflow in Yokogawa CENTUM CS 1000 R3.08.70 and earlier, CENTUM CS 3000 R3.09.50 and earlier,…
CVE-2015-5627 — Critical (CVSS 9.8): Stack-based buffer overflow in Yokogawa CENTUM CS 1000 R3.08.70 and earlier, CENTUM CS 3000 R3.09.50 and earlier,…
CVE-2015-5626 — Critical (CVSS 9.8): Stack-based buffer overflow in Yokogawa CENTUM CS 1000 R3.08.70 and earlier, CENTUM CS 3000 R3.09.50 and earlier,…
CVE-2022-30707 — High (CVSS 8.8): Violation of secure design principles exists in the communication of CAMS for HIS. Affected products and versions are…
CVE-2022-22729 — High (CVSS 8.8): CAMS for HIS Server contained in the following Yokogawa Electric products improperly authenticate the receiving…

All CVEs affecting Yokogawa Centum Cs 3000 Firmware →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →