Cyber Resilience

CVE-2023-2875

Memory Safety in Escanav Escan Anti-Virus 22.0.1400.2443

Public PoCMemory Safety
Published
24 May 2023
Modified
21 November 2024
CVSS Score v3.1 5.5
Click a component to see what it means
Raw vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0032 25th percentile
Risk Priority 42 floored blend · peak EPSS

Summary

CVE-2023-2875 is a medium-severity NULL Pointer Dereference (CWE-476) vulnerability in Escanav Escan Anti-Virus. Its CVSS base score is 5.5 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Endpoint Denial of Service (T1499); ranked at the 25th 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)

A10:2025 Mishandling of Exceptional Conditions

EU & UK References

Vulnerability Data

A vulnerability, which was classified as problematic, was found in eScan Antivirus 22.0.1400.2443. Affected is the function 0x22E008u in the library PROCOBSRVESX.SYS of the component IoControlCode Handler. The manipulation leads to null pointer dereference. It is possible to launch the…

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attack on the local host. The exploit has been disclosed to the public and may be used. VDB-229854 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

CWE(s)
CWE-476

Related Threats

MITRE ATT&CK Enterprise Techniques

T1499 Endpoint Denial of Service Impact
Adversaries may perform Endpoint Denial of Service (DoS) attacks to degrade or block the availability of services to users.
attack.mitre.org →
T1499.004 Application or System Exploitation Impact
Adversaries may exploit software vulnerabilities that can cause an application or system to crash and deny availability to users.
attack.mitre.org →
T1489 Service Stop Impact
Adversaries may stop or disable services on a system to render those services unavailable to legitimate users.
attack.mitre.org →
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-1367Same product: Escanav Escan Anti-Virus
CVE-2024-13188Same product: Escanav Escan Anti-Virus
CVE-2025-0720Same product: Escanav Escan Anti-Virus
CVE-2025-1368Same product: Escanav Escan Anti-Virus
CVE-2025-1366Same product: Escanav Escan Anti-Virus
CVE-2025-1364Same product: Escanav Escan Anti-Virus
CVE-2025-1369Same product: Escanav Escan Anti-Virus
CVE-2025-0798Same product: Escanav Escan Anti-Virus
CVE-2025-0797Same product: Escanav Escan Anti-Virus
CVE-2023-4383Same product: Escanav Escan Anti-Virus

Affected Assets

escanav
escan anti-virus
22.0.1400.2443

Mitigating Controls

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.PS-06 mostly match
prevents

Secure SDLC practices (static analysis, code review, safe coding standards) directly prevent NULL dereference bugs during development.

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.

A.8.29 Security testing in development and acceptance mostly match
finds

Security testing can detect NULL dereference defects before release.

A.8.25 Secure development life cycle partial match
prevents

Secure SDLC mandates defensive coding practices that can prevent NULL dereferences.

A.8.26 Application security requirements partial match
prevents

Application security requirements can specify input validation and pointer-safety rules.

A.8.27 Secure system architecture and engineering principles partial match
prevents

Secure architecture principles encourage defensive design that avoids unsafe pointer use.

A.8.28 Secure coding partial match
prevents

Secure coding standards directly require NULL-pointer checks and safe dereference patterns.

References