What is the CVSS score of CVE-2021-42917?

CVE-2021-42917 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: 1.9%.

Is there a public PoC exploit available for CVE-2021-42917?

Yes, a public proof-of-concept exploit is available for CVE-2021-42917. Prioritise patching immediately. EPSS: 1.9%.

Is there a patch available for CVE-2021-42917?

Yes, a patch is available for CVE-2021-42917. Update the affected software to the latest version immediately.

Kodi CVE-2021-42917

MEDIUM

Classic Buffer Overflow (CWE-120)

2021-11-01 cve@mitre.org

Buffer Overflow Denial Of Service Kodi

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

Nov 01, 2021 - 19:15 nvd

MEDIUM 5.5

DescriptionNVD

Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream.

AnalysisAI

Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. Buffer overflow vulnerability in Kodi xbmc up to 19.0, allows attackers to cause a denial of service due to improper length of values passed to istream. Affected products include: Kodi. Version information: up to 19.0.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.