Cyber Resilience

CVE-2023-33706

Access Control in Sysaid ≤ 23.2.15

Public PoCAccess Control
Published
24 November 2023
Modified
21 November 2024
CVSS Score v3.1 6.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0058 45th percentile
Risk Priority 51 floored blend · peak EPSS

Summary

CVE-2023-33706 is a medium-severity Authorization Bypass Through User-Controlled Key (CWE-639) vulnerability in Sysaid Sysaid. Its CVSS base score is 6.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Exploit Public-Facing Application (T1190); ranked at the 45th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

SysAid before 23.2.15 allows Indirect Object Reference (IDOR) attacks to read ticket data via a modified sid parameter to EmailHtmlSourceIframe.jsp or a modified srID parameter to ShowMessage.jsp.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1190 Exploit Public-Facing Application Initial Access
Adversaries may attempt to exploit a weakness in an Internet-facing host or system to initially access a network.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2024-36393Same product: Sysaid Sysaid
CVE-2023-47246Same product: Sysaid Sysaid
CVE-2025-2776Same product: Sysaid Sysaid
CVE-2025-2777Same product: Sysaid Sysaid
CVE-2025-2775Same product: Sysaid Sysaid
CVE-2024-36394Same product: Sysaid Sysaid
CVE-2023-47247Same product: Sysaid Sysaid
CVE-2025-3874Shared CWE-639
CVE-2024-10780Shared CWE-639
CVE-2024-12305Shared CWE-639

Affected Assets

sysaid
sysaid
≤ 23.2.15 · ≤ 23.2.50

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-639

Per-request decision making makes it harder to bypass authorization using user-controlled keys without proper validation in the decision process.

addresses: CWE-639

Consistent enforcement of approved authorizations makes bypassing via user-controlled keys ineffective.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-05 full match
prevents

Enforcing authorization policy and least privilege directly blocks user-controlled key tampering that bypasses access checks.

PR.IR-01 mostly match
prevents

Logical access controls prevent unauthorized data access that results from missing authorization checks on object references.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing can detect missing authorization checks but does not prevent the weakness in production.

prevents

Information access restriction explicitly enforces that users may only retrieve data they are authorized to see, directly addressing user-controlled key bypass.

prevents

Access control policy directly requires enforcement of authorization rules that prevent unauthorized access via manipulated keys.

prevents

Managing access rights includes ensuring users can only access their own records and not bypass authorization by altering identifiers.

mitigates

Privileged access rights control restricts what data each user may access, mitigating direct object reference attacks.

prevents

Secure development lifecycle includes authorization design but does not itself implement runtime access checks.

References