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CVE-2023-28727

28
FAUCET Score

CVE-2023-28727 is an authentication bypass vulnerability affecting Panasonic AiSEG2 versions 2.00J through 2.93A, stemming from improper handling of X-Forwarded-For headers. This high-severity vulnerability (CVSS 8.8) allows unauthenticated, adjacent attackers to gain full control over affected devices with low attack complexity. While the vulnerability has a high potential for impact (confidentiality, integrity, and availability), there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion.

Impacted Technologies

VendorProductVersion(s)CPE
>= 2.00j, <= 2.93aCPE matchmatch criteria
cpe:2.3:o:panasonic:aiseg2_firmware:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.6CRITICAL

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 27th percentile among its peer group of 1,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

www2.panasonic.biz / jp/densetsu/aiseg/firmup_info.html
Release Notes