CVE-2023-4702Network attack vector

Unauthenticated access to protected portal functions

Published Sep 14, 2023 · Updated May 21, 2026

Authentication bypass in Dijital YEPAŞ before 1.0.1 allows remote attackers to access protected portal functions via an alternate path. The CNA and government advisory do not identify the affected endpoint or explain how the alternate path omits authentication checks. No credentials or user interaction are required; successful exploitation grants access normally reserved for authenticated customers.

CVSS severity9.8
Critical
EPSS probability0.82%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Dijital YEPAŞ before 1.0.1 allows remote attackers to access protected portal functions via an alternate path. The CNA and government advisory do not identify the affected endpoint or explain how the alternate path omits authentication checks. No credentials or user interaction are required; successful exploitation grants access normally reserved for authenticated customers.

The record

CVE
CVE-2023-4702
Published
Sep 14, 2023
Updated
May 21, 2026
Vendor
Yeşilırmak Elektrik Perakende Satış A.Ş.
Product
Dijital YEPAŞ
Classifications
CWE-288, CAPEC-115, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 14, 2023CVE publishedPublication date reported by the CVE source.
  2. May 21, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <1.0.1

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Yeşilırmak Elektrik Perakende Satış A.Ş. · Dijital YEPAŞversion=0 <1.0.1

Published CVSS scores

9.8TR-CERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-288Authentication Bypass Using an Alternate Path or Channel
CAPEC-115Authentication Bypass
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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