What is the CVSS score of CVE-2023-31441?

CVE-2023-31441 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2023-31441?

Yes, a public proof-of-concept exploit is available for CVE-2023-31441. Prioritise patching immediately. EPSS: 0.3%.

Advisor Network CVE-2023-31441

MEDIUM

NULL Pointer Dereference (CWE-476)

2023-07-18 cve@mitre.org

Denial Of Service Null Pointer Dereference Advisor Network

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Local

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jul 18, 2023 - 15:15 nvd

MEDIUM 5.5

DescriptionNVD

In NATO Communications and Information Agency anet (aka Advisor Network) through 3.3.0, an attacker can provide a crafted JSON file to sanitizeJson and cause an exception. This is related to the U+FFFD Unicode replacement character. A for loop does not consider that a data structure is being modified during loop execution.

AnalysisAI

In NATO Communications and Information Agency anet (aka Advisor Network) through 3.3.0, an attacker can provide a crafted JSON file to sanitizeJson and cause an exception. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as NULL Pointer Dereference (CWE-476), which allows attackers to crash the application by dereferencing a null pointer. In NATO Communications and Information Agency anet (aka Advisor Network) through 3.3.0, an attacker can provide a crafted JSON file to sanitizeJson and cause an exception. This is related to the U+FFFD Unicode replacement character. A for loop does not consider that a data structure is being modified during loop execution. Affected products include: Ncia Advisor Network. Version information: through 3.3.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Check pointers before dereferencing. Use static analysis tools to detect null pointer paths.