How severe is CVE-2023-28727?

CVE-2023-28727 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-2023-28727 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-28727?

CVE-2023-28727 affects Panasonic Aiseg2 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-28727?

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-2023-28727 published?

CVE-2023-28727 was published on 2023-03-31 and last updated on 2026-06-17.

CVE-2023-28727

CVE-2023-28727 is a critical-severity vulnerability in Panasonic Aiseg2 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.6)
EPSS exploit prediction: 0% (29th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Panasonic Aiseg2 Firmware
Published: 2023-03-31
Last modified: 2026-06-17

Description

Panasonic AiSEG2 versions 2.00J through 2.93A allows adjacent attackers bypass authentication due to mishandling of X-Forwarded-For headers.

Frequently asked questions

What is CVE-2023-28727?: Panasonic AiSEG2 versions 2.00J through 2.93A allows adjacent attackers bypass authentication due to mishandling of X-Forwarded-For headers.
How severe is CVE-2023-28727?: CVE-2023-28727 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-2023-28727 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-28727?: CVE-2023-28727 affects Panasonic Aiseg2 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-28727?: 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-2023-28727 published?: CVE-2023-28727 was published on 2023-03-31 and last updated on 2026-06-17.

References

https://www2.panasonic.biz/jp/densetsu/aiseg/firmup_info.html

Affected products (1)

cpe:2.3:o:panasonic:aiseg2_firmware:*:*:*:*:*:*:*:*

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CVE-2023-28726 — High (CVSS 7.5): Panasonic AiSEG2 versions 2.80F through 2.93A allows remote attackers to execute arbitrary OS commands.

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