How severe is CVE-2023-27823?

CVE-2023-27823 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-2023-27823 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 53% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-27823?

CVE-2023-27823 affects Optoma 1080pstx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-27823?

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-2023-27823 published?

CVE-2023-27823 was published on 2023-05-12 and last updated on 2026-07-09.

CVE-2023-27823

CVE-2023-27823 is a critical-severity vulnerability in Optoma 1080pstx with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 53% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 53% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Optoma 1080pstx
Published: 2023-05-12
Last modified: 2026-07-09

Description

An authentication bypass in Optoma 1080PSTX C02 allows an attacker to access the administration console without valid credentials.

Frequently asked questions

What is CVE-2023-27823?: An authentication bypass in Optoma 1080PSTX C02 allows an attacker to access the administration console without valid credentials.
How severe is CVE-2023-27823?: CVE-2023-27823 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-2023-27823 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 53% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-27823?: CVE-2023-27823 affects Optoma 1080pstx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-27823?: 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-2023-27823 published?: CVE-2023-27823 was published on 2023-05-12 and last updated on 2026-07-09.

References

https://packetstormsecurity.com/files/172276/Optoma-1080PSTX-Firmware-C02-Authentication-Bypass.html

Affected products (1)

cpe:2.3:o:optoma:1080pstx:c02:*:*:*:*:*:*:*

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