THE INTERNET IS THINKING
Earlier sources: Security
Digital security protects systems, software, accounts, and information from misuse. Explore cybersecurity, vulnerabilities, threat intelligence, cryptography, privacy, and identity, with links to the underlying advisories and research.
SYMTRI organizes observations from public sources into a living map. Connections reflect shared subject matter; they do not establish causation or endorse a source.
Open in the map ↗757 classified signals in the fourteen-day window. Recent momentum: steady. These counts include signals awaiting readable evidence.
Earlier sources
Up to ten sources with readable evidence, ordered by their feed timestamp. These archive sources can be older than the live fourteen-day window. This list is a sample, not a measure of total activity. Dates distinguish paper publication, repository creation, model/dataset activity, Hacker News posts, and KEV catalog additions. “First archived” records when SYMTRI first stored the signal.
- CISA · Added to KEV · First archived
CVE-2021-21193: Google Chromium Blink Use-After-Free Vulnerability ↗
Google Chromium Blink contains a use-after-free vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Unknown. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-21166: Google Chromium Race Condition Vulnerability ↗
Google Chromium contains a race condition vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Unknown. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-21148: Google Chromium V8 Heap Buffer Overflow Vulnerability ↗
Google Chromium V8 Engine contains a heap buffer overflow vulnerability that allows a remote attacker to potentially exploit heap corruption via a crafted HTML page. This vulnerability could affect multiple web browsers that utilize Chromium, including, but not limited to, Google Chrome, Microsoft Edge, and Opera. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Unknown. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-21017: Adobe Acrobat and Reader Heap-based Buffer Overflow Vulnerability ↗
Acrobat Acrobat and Reader contain a heap-based buffer overflow vulnerability that could allow an unauthenticated attacker to achieve code execution in the context of the current user. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Unknown. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-20090: Arcadyan Buffalo Firmware Path Traversal Vulnerability ↗
Arcadyan Buffalo firmware contains a path traversal vulnerability that could allow unauthenticated, remote attackers to bypass authentication and access sensitive information. This vulnerability affects multiple routers across several different vendors. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Unknown. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-20023: SonicWall Email Security Path Traversal Vulnerability ↗
SonicWall Email Security contains a path traversal vulnerability that allows a post-authenticated attacker to read files on the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20022 to achieve privilege escalation. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Known. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-20022: SonicWall Email Security Unrestricted Upload of File Vulnerability ↗
SonicWall Email Security contains an unrestricted upload of file with dangerous type vulnerability that allows a post-authenticated attacker to upload a file to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20021 and CVE-2021-20023 to achieve privilege escalation. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Known. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-20021: SonicWall Email Security Improper Privilege Management Vulnerability ↗
SonicWall Email Security contains an improper privilege management vulnerability that allows an attacker to create an administrative account by sending a crafted HTTP request to the remote host. This vulnerability has known usage in a SonicWall Email Security exploit chain along with CVE-2021-20022 and CVE-2021-20023 to achieve privilege escalation. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Known. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-20016: SonicWall SSLVPN SMA100 SQL Injection Vulnerability ↗
SonicWall SSLVPN SMA100 contains a SQL injection vulnerability that allows remote exploitation for credential access by an unauthenticated attacker. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Known. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
- CISA · Added to KEV · First archived
CVE-2021-1906: Qualcomm Multiple Chipsets Detection of Error Condition Without Action Vulnerability ↗
Multiple Qualcomm chipsets contain a detection of error condition without action vulnerability when improper handling of address deregistration on failure can lead to new GPU address allocation failure. Required action: Apply updates per vendor instructions.. Known ransomware campaign use: Unknown. Added to the KEV catalog: 2021-11-03 (not the first disclosure date). Action due date: 2021-11-17.
Live window recorded . This is the ingestion observation time, not the publication or discovery date of each source.
How to assess evidence about Security
Check each original source for its methods, release status, limitations, and supporting data. A repository announcement, a preprint, and a published study provide different kinds of evidence. SYMTRI’s subject classification helps discovery; it does not independently validate the source’s claims.
See the collection and counting methodology ↗ · Read the weekly synthesis ↗
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These navigation suggestions are part of the map’s editorial structure, rather than measured evidence of a connection.