What is the CVSS score of CVE-2023-36481?

CVE-2023-36481 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 0.5%.

Exynos 1080 Firmware CVE-2023-36481

HIGH

Classic Buffer Overflow (CWE-120)

2023-08-28 cve@mitre.org

Buffer Overflow Denial Of Service Samsung Exynos 1080 Firmware Exynos 1280 Firmware Exynos 1330 Firmware Exynos 1380 Firmware Exynos 2100 Firmware Exynos 2200 Firmware Exynos 850 Firmware Exynos 9110 Firmware Exynos 980 Firmware Exynos W920 Firmware Exynos 9820 Firmware Exynos 9810 Firmware Exynos 9610 Firmware

7.5

CVSS 3.1 · NVD

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Vulnerability Assessment

Weakness	CWE CWE-120 ASVS 5.0 V15 - Secure Coding and Architecture Buffer copy size validation MITRE ATT&CK 1 technique across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. Sign in to read
Impact	CVSS score of 7.5 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required.
Exploit ScenarioDerived	A remote attacker could overflow a buffer to corrupt adjacent memory by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).

No patch listed yet 0.5% exploitation probability (EPSS)

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AnalysisAI

An issue was discovered in Samsung Exynos Mobile Processor and Wearable Processor 9810, 9610, 9820, 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, and W920. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Always validate buffer sizes before copy operations. Use bounded functions (strncpy, snprintf). Enable compiler protections.

Affects your stack

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Technical ContextAI · show details

This vulnerability is classified as Buffer Copy without Size Check (CWE-120), which allows attackers to overflow a buffer to corrupt adjacent memory. An issue was discovered in Samsung Exynos Mobile Processor and Wearable Processor 9810, 9610, 9820, 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, and W920. Improper handling of PPP length parameter inconsistency can cause an infinite loop. Affected products include: Samsung Exynos 9810 Firmware, Samsung Exynos 9610 Firmware, Samsung Exynos 9820 Firmware, Samsung Exynos 980 Firmware, Samsung Exynos 850 Firmware.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

DescriptionNVD

An issue was discovered in Samsung Exynos Mobile Processor and Wearable Processor 9810, 9610, 9820, 980, 850, 1080, 2100, 2200, 1280, 1380, 1330, 9110, and W920. Improper handling of PPP length parameter inconsistency can cause an infinite loop.

Threat Intelligence Overview

EPSS Score

0.5%

Top 59% exploitable

Data Quality

2 sources

Confidence: Low

NVD

CVE.org

EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity HIGH

CISA KEV No

Public POC No

EPSS 0.5%

Patch available No

Active threat No

Deciding rule

HIGH severity (CVSS 7.0-8.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived

Scheduled

Exploitation· derived

None

System Exposure· derived

Open

Automatable· derived

Yes

Human Impact· derived

Medium

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +1

CVSS: +38

PoC: 0

Weaponized: 0

Threat intel: 0

Gov advisory: 0

Attack Technique

Buffer Overflow HIGH

A buffer overflow occurs when a program writes more data to a memory buffer than it was allocated to hold, causing the excess data to spill into adjacent memory regions.

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)NVD

cpe:2.3:o:samsung:exynos_9810_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_9610_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_9820_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_980_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_850_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_1080_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_2100_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_2200_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_1280_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_1380_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_1330_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_9110_firmware:-:*:*:*:*:*:*:*

cpe:2.3:o:samsung:exynos_w920_firmware:-:*:*:*:*:*:*:*

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Same weakness CWE-120 – Classic Buffer Overflow

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References

Advisories & patches

ADVISORY https://semiconductor.samsung.com/support/quality-support/product-security-updates/

Search Externally

GitHub PoC

Exploit-DB PacketStorm Snyk Rapid7 Nuclei Templates Trickest PoC

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