How severe is CVE-2023-1136?

CVE-2023-1136 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-2023-1136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-1136?

CVE-2023-1136 affects Deltaww Infrasuite Device Master. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-1136?

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-2023-1136 published?

CVE-2023-1136 was published on 2023-03-27 and last updated on 2026-06-17.

CVE-2023-1136

CVE-2023-1136 is a critical-severity vulnerability in Deltaww Infrasuite Device Master 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-863.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 1% (50th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Deltaww Infrasuite Device Master
Published: 2023-03-27
Last modified: 2026-06-17

Description

In Delta Electronics InfraSuite Device Master versions prior to 1.0.5, an unauthenticated attacker could generate a valid token, which would lead to authentication bypass.

Frequently asked questions

What is CVE-2023-1136?: In Delta Electronics InfraSuite Device Master versions prior to 1.0.5, an unauthenticated attacker could generate a valid token, which would lead to authentication bypass.
How severe is CVE-2023-1136?: CVE-2023-1136 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-2023-1136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (50th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1136?: CVE-2023-1136 affects Deltaww Infrasuite Device Master. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1136?: 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-2023-1136 published?: CVE-2023-1136 was published on 2023-03-27 and last updated on 2026-06-17.

References

https://www.cisa.gov/news-events/ics-advisories/icsa-23-080-02

Affected products (1)

cpe:2.3:a:deltaww:infrasuite_device_master:*:*:*:*:*:*:*:*

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