Links submitted by the Threat Radar community and AI curated for defenders.

Community Curated

AlienVault OTX General

Real-world exploitation and exposure telemetry from the OffSeq Mirage honeypot fleet and Sonar internet scans — which CVEs attackers are actually exploiting and which are exposed in the wild, plus attacker IoCs. All IPs are masked; no raw victim or sensor identity is ever published.

OffSeq Mirage

Bleeping Computer

SANS ISC Handlers Diary

SecurityWeek

Threatpost

Reddit ExploitDev

Latest exploits, shellcode, and vulnerability proofs-of-concept from Exploit-DB

Exploit-DB RSS Feed

Reddit ThreatIntel

Reddit BlueTeam

Reddit Reverse Engineering

Reddit Malware

Reddit Cybersecurity

Reddit NetSec

ThreatFox MISP Feed

CIRCL OSINT Feed

NCSC UK

JVN Japan

GCP Compute Engine Security

GCP Kubernetes Security

AWS Security Bulletins

CERT/CC

Tenable Research

Google Project Zero

Microsoft Security Blog

Cisco Talos

Zero Day Initiative

Palo Alto Unit 42

Krebs on Security

Kaspersky Security Blog

Check Point Research

GCVE Database

CVE Database V5

Reddit InfoSec News

The Hacker News

Dark Reading

AlienVault OTX Vulnerabilities

AlienVault OTX Malware

Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity.

CVE-2025-52536 is a vulnerability classified under CWE-1231, which pertains to improper prevention of lock bit modification. The flaw exists in the Secure Encrypted Virtualization (SEV) firmware of AMD EPYC™ 9004 Series processors. SEV is designed to protect virtual machines by encrypting their memory and ensuring firmware integrity. However, this vulnerability allows a privileged attacker—such as a malicious administrator or compromised system process with high privileges—to modify the lock bit in the SEV firmware. The lock bit is a security control intended to prevent firmware downgrades or unauthorized modifications. By circumventing this control, an attacker could downgrade the firmware to a less secure version or alter it, potentially compromising the integrity of the firmware. This could lead to unauthorized access to encrypted data or the ability to inject malicious code at a low level, undermining the security guarantees of SEV. The CVSS 4.0 base score is 6.7 (medium), reflecting that exploitation requires local privileged access but does not require user interaction or network access. The vulnerability affects the confidentiality and integrity of virtualized environments but does not impact availability. No public patches or exploits are currently known, but the risk remains significant for environments relying on these processors for secure virtualization.

Detailed information about CVE-2025-52536: CWE-1231  Improper Prevention of Lock Bit Modification in AMD AMD EPYC™ 9004 Series Processors affecting AMD AMD EPYC

CVE-2025-52536: CWE-1231  Improper Prevention of Lock Bit Modification in AMD AMD EPYC™ 9004 Series Processors - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2025-52536: CWE-1231  Improper Prevention of Lock Bit Modification in AMD AMD EPYC™ 9004 Series Processors

Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to bypass SMM isolation potentially resulting in arbitrary code execution at the SMM level.

CVE-2024-36354 is a vulnerability categorized under CWE-1231 (Improper Prevention of Lock Bit Modification) found in AMD Ryzen™ Threadripper™ 3000 processors. The root cause is improper input validation of the DIMM Serial Presence Detect (SPD) metadata. SPD is a small EEPROM on memory modules that stores information about the module's size, speed, voltage, and timings. This vulnerability allows an attacker who has physical access to the machine, ring0 (kernel-level) privileges on a system with a non-compliant DIMM, or control over the BIOS update Root of Trust, to manipulate SPD data in a way that bypasses the isolation mechanisms of the System Management Mode (SMM). SMM is a highly privileged CPU mode used for low-level system management and firmware operations, isolated from the operating system and other software layers. By bypassing SMM isolation, an attacker can execute arbitrary code at the SMM level, gaining control over critical system functions, potentially persisting across reboots and evading detection by conventional security mechanisms. The vulnerability has a CVSS v3.1 score of 7.5, reflecting high impact on confidentiality, integrity, and availability, but requires high privileges and physical or ring0 access, limiting the attack surface. No public patches or exploits are currently available, but the risk remains significant due to the privileged nature of SMM and the potential for stealthy, persistent compromise.

Detailed information about CVE-2024-36354: CWE-1231 - Improper Prevention of Lock Bit Modification in AMD AMD Ryzen™ Threadripper™ 3000 Processors affecting AMD

CVE-2024-36354: CWE-1231 - Improper Prevention of Lock Bit Modification in AMD AMD Ryzen™ Threadripper™ 3000 Processors - Live Threat Intelligence - Threat Radar | OffSeq.com

CVE-2024-36354: CWE-1231 - Improper Prevention of Lock Bit Modification in AMD AMD Ryzen™ Threadripper™ 3000 Processors


CVE-2025-52536: CWE-1231 Improper Prevention of Lock Bit Modification in AMD AMD EPYC™ 9004 Series ProcessorsCVE-2025-52536 0 Improper Prevention of Lock Bit Modification in SEV firmware could allow a privileged attacker to downgrade firmware potentially resulting in a loss of integrity. MediumVulnerabilityGermanyFranceUnited Kingdom+6#cve #cve-2025-52536 #cwe-1231 Join the discussion	CVE Database V5	02/10/2026, 19:09:04 UTC Added: 02/10/2026, 19:46:20 UTC
CVE-2024-36354: CWE-1231 - Improper Prevention of Lock Bit Modification in AMD AMD Ryzen™ Threadripper™ 3000 ProcessorsCVE-2024-36354 0 Improper input validation for DIMM serial presence detect (SPD) metadata could allow an attacker with physical access, ring0 access on a system with a non-compliant DIMM, or control over the Root of Trust for BIOS update, to bypass SMM isolation potentially resulting in arbitrary code execution at the SMM level. HighVulnerabilityUnited StatesGermanyJapan+7#cve #cve-2024-36354 #cwe-1231 Join the discussion	CVE Database V5	09/06/2025, 18:06:43 UTC Added: 02/26/2026, 19:41:00 UTC

Threats Tagged 'cwe-1231'

Stop chasing alerts. Route them.

Check if your credentials are on the dark web

Filter Threats

Threats Tagged 'cwe-1231'

Lead Pen Test Professional