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.

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759 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.

  1. CISA · Added to KEV · First archived

    CVE-2021-26858: Microsoft Exchange Server Remote Code Execution Vulnerability ↗

    Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. 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: 2022-05-03.

  2. CISA · Added to KEV · First archived

    CVE-2021-26857: Microsoft Exchange Server Remote Code Execution Vulnerability ↗

    Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. 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: 2022-05-03.

  3. CISA · Added to KEV · First archived

    CVE-2021-26855: Microsoft Exchange Server Remote Code Execution Vulnerability ↗

    Microsoft Exchange Server contains an unspecified vulnerability that allows for remote code execution. This vulnerability is part of the ProxyLogon exploit chain. 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: 2022-05-03.

  4. CISA · Added to KEV · First archived

    CVE-2021-26411: Microsoft Internet Explorer Memory Corruption Vulnerability ↗

    Microsoft Internet Explorer contains an unspecified vulnerability that allows for memory corruption. 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.

  5. CISA · Added to KEV · First archived

    CVE-2021-26084: Atlassian Confluence Server and Data Center Object-Graph Navigation Language (OGNL) Injection Vulnerability ↗

    Atlassian Confluence Server and Data Server contain an Object-Graph Navigation Language (OGNL) injection vulnerability that may allow an unauthenticated attacker to execute code. 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.

  6. CISA · Added to KEV · First archived

    CVE-2021-23874: McAfee Total Protection (MTP) Improper Privilege Management Vulnerability ↗

    McAfee Total Protection (MTP) contains an improper privilege management vulnerability that allows a local user to gain elevated privileges and execute code, bypassing MTP self-defense. 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.

  7. CISA · Added to KEV · First archived

    CVE-2021-22986: F5 BIG-IP and BIG-IQ Centralized Management iControl REST Remote Code Execution Vulnerability ↗

    F5 BIG-IP and BIG-IQ Centralized Management contain a remote code execution vulnerability in the iControl REST interface that allows unauthenticated attackers with network access to execute system commands, create or delete files, and disable services. 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.

  8. CISA · Added to KEV · First archived

    CVE-2021-22900: Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability ↗

    Ivanti Pulse Connect Secure contains an unrestricted file upload vulnerability that allows an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface. 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: 2022-05-03.

  9. CISA · Added to KEV · First archived

    CVE-2021-22899: Ivanti Pulse Connect Secure Command Injection Vulnerability ↗

    Ivanti Pulse Connect Secure contains a command injection vulnerability that allows remote authenticated users to perform remote code execution via Windows File Resource Profiles. 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: 2022-05-03.

  10. CISA · Added to KEV · First archived

    CVE-2021-22894: Ivanti Pulse Connect Secure Collaboration Suite Buffer Overflow Vulnerability ↗

    Ivanti Pulse Connect Secure Collaboration Suite contains a buffer overflow vulnerabilities that allows a remote authenticated users to execute code as the root user via maliciously crafted meeting room. 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: 2022-05-03.

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.