CVE-2023-2958Network attack vector

Unauthenticated authorization bypass via user-controlled keys

Published Jul 17, 2023 · Updated May 22, 2026

Authorization bypass in Orjin Yazılım ATS PRO before 20230714 allows remote attackers to bypass access controls via user-controlled keys. TR-CERT and Orjin Yazılım have not published the affected endpoint, key name, or authorization check that accepts the attacker-controlled identifier. Exploitation requires no authentication or user interaction; the public record states authentication abuse and bypass but does not identify the exact data or actions exposed.

CVSS severity9.8
Critical
EPSS probability0.77%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authorization bypass in Orjin Yazılım ATS PRO before 20230714 allows remote attackers to bypass access controls via user-controlled keys. TR-CERT and Orjin Yazılım have not published the affected endpoint, key name, or authorization check that accepts the attacker-controlled identifier. Exploitation requires no authentication or user interaction; the public record states authentication abuse and bypass but does not identify the exact data or actions exposed.

The record

CVE
CVE-2023-2958
Published
Jul 17, 2023
Updated
May 22, 2026
Vendor
Orjin Yazılım
Product
ATS PRO
Classifications
CWE-639, CAPEC-115, CAPEC-114, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 17, 2023CVE publishedPublication date reported by the CVE source.
  2. May 22, 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 <20230714

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Orjin Yazılım · ATS PROversion=0 <20230714

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 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-639Authorization Bypass Through User-Controlled Key
CAPEC-115Authentication Bypass
CAPEC-114Authentication Abuse
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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