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Remote code execution vulnerability present in Open Management Infrastructure, affects certain Microsoft Azure services   Alert

Sep 16, 2021 - A remote code execution vulnerability exists in Open Management Infrastructure, a management agent used in certain Linux-based Microsoft Azure services. Exploitation of this vulnerability could allow a malicious actor to take control of the vulnerable host. Affected organisations should apply the available security update.

U.S., U.K., and Australia Issue Joint Cybersecurity Advisory   News

Jul 28, 2021 - Cyber Agencies Share Top Routinely Exploited Vulnerabilities

Microsoft Office Outlook Remote Code Execution Vulnerability   Alert

Feb 18, 2024 - ASD’s ACSC is aware of a vulnerability in Microsoft Office Outlook (CVE-2024-21413).
Users of Microsoft Office Outlook are strongly advised to follow the mitigation advice provided by Microsoft if they are vulnerable.

Critical vulnerability in WatchGuard Firebox devices (CVE-2025-14733)   Alert

Dec 22, 2025 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) is aware of active exploitation of a critical vulnerability in WatchGuard Firebox devices.

Critical vulnerability in certain versions of Apache HTTP Server   Alert

Oct 8, 2021 - A vulnerability exists in Apache HTTP Server 2.4.49. A cyber actor could exploit this vulnerability to execute arbitrary code. Initial information also indicates that the vulnerability could also be used perform remote code execution under certain configurations. Affected Australian organisations should apply the available patch.

JCSC virtual presentations on Log4j2 vulnerability – Friday 17 December   News

Dec 16, 2021 - A critical alert and advisory has been published on the Log4j2 vulnerability. On Friday 17 December 2021, ASD's ACSC’s Joint Cyber Security Centres (JCSCs) will facilitate a series of virtual awareness and advice sessions about this vulnerability. Australians are urged to act now to secure their computer systems against this critical software vulnerability.

Iranian Government-Sponsored APT Cyber Actors   Alert

Nov 17, 2021 - FBI and CISA have observed an Iranian government-sponsored APT group that are exploiting vulnerabilities to gain access to systems. The APT group has exploited the same Microsoft Exchange vulnerability in Australia.

Critical vulnerability in Ivanti CSA 4.6 (Cloud Services Appliance)   Alert

Sep 20, 2024 - Ivanti has released a security advisory addressing a critical vulnerability affecting Ivanti CSA 4.6 (Cloud Services Appliance). The vulnerability affects Ivanti CSA 4.6 before Patch 519.

Remote code execution vulnerability present in certain versions of Atlassian Confluence   Alert

Sep 1, 2021 - A vulnerability exists in certain self-hosted versions of Atlassian Confluence which could allow a malicious cyber actor to execute arbitrary code. Affected organisations should apply the available patch to mitigate this vulnerability.

Remote Code Execution Vulnerability In Cisco Unified Communications Products   Alert

Jan 26, 2024 - ASD’s ACSC is aware of a vulnerability in Cisco Unified Communications Products (CVE 2024-20253).

Organisations using Cisco Unified Communication products are strongly advised to follow the mitigation advice provided by Cisco if they are vulnerable.

Vulnerability Disclosure Program   News

Nov 23, 2022 - New ACSC publication released to help organisations implement a Vulnerability Disclosure Program.

Advisory 2021-004: Active exploitation of ForgeRock Access Manager / OpenAM servers   Advisory

Jul 9, 2021 - The Australian Signals Directorate’s Australian Cyber Security Centre (ASD's ACSC) has identified targeting and compromise of Australian organisations with vulnerable internet-accessible servers running ForgeRock Access Manager (ForgeRock AM). ForgeRock AM was previously known as OpenAM. The ASD's ACSC has observed malicious actors exploiting the vulnerability in ForgeRock AM/OpenAM to gain initial access to networks in multiple organisations, and facilitate further access within these networks. On 7 July 2021 the ASD's ACSC alerted organisations that this vulnerability was being actively exploited. This ASD's ACSC advisory provides recommendations for securing ForgeRock AM against vulnerability CVE-2021-35464, and advice on identifying potential successful exploitation of this vulnerability.

Critical remote code execution vulnerability found in the Log4j library   Alert

Dec 21, 2021 - A vulnerability (CVE-2021-44228) exists in certain versions of the Log4j library. A malicious cyber actor could exploit this vulnerability to execute arbitrary code. Australian organisations should apply latest patches immediately where Log4j is known to be used.

Critical vulnerability discovered in HTTP.SYS in Microsoft Windows   Alert

May 13, 2021 - A remote code execution vulnerability could enable a malicious cyber actor to compromise vulnerable Microsoft Windows hosts. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) strongly recommends applying available patches.

Cisco IOS XE Software Web UI Zero Day Vulnerability   Alert

Oct 25, 2023 - A previously unknown vulnerability (CVE-2023-20198) in the web UI feature of Cisco IOS XE Software could allow a malicious actor to take control of vulnerable devices. All Australian organisations should follow the recommendations published by Cisco.

Vulnerability disclosure programs explained   Publication

Dec 12, 2024 - A vulnerability disclosure program (VDP) is a collection of processes and procedures designed to identify, verify, resolve and report on vulnerabilities disclosed by people who may be internal or external to organisations. The importance of developing, implementing and maintaining a well thought-out VDP cannot be underestimated. It is an integral part of professional organisations’ business operations.

Remote code execution vulnerability present in SonicWall SMA 100 series appliances   Alert

Jan 19, 2022 - A vulnerability (CVE-2021-20038) has been identified in SonicWall SMA 100 series appliances. Exploitation of this vulnerability could allow an unauthenticated malicious cyber actor to perform remote code execution. Affected Australian organisations should apply the available patch.

ASD's ACSC Advisory 2020-012: Critical remote code execution vulnerability in Windows DNS server (CVE-2020-1350)   Advisory

Jul 15, 2020 - An adversary who successfully exploits the vulnerability could run arbitrary code in the context of the Local System Account. The Australian Signals Directorate’s Australian Cyber Security Centre (ASD’s ACSC) strongly recommends users apply the security patch to their Windows DNS servers to prevent an adversary from exploiting this vulnerability.

2021-007: Log4j vulnerability – advice and mitigations   Advisory

Dec 29, 2021 - On 10 December 2021, ASD's ACSC released an alert relating to a serious vulnerability in versions of the Log4j Java logging library. Malicious cyber actors are using this vulnerability to target and compromise systems globally and in Australia. The ASD's ACSC is working with a significant number of victims and affected vendors across all sectors of the economy.

Ongoing active exploitation of SonicWall SSL VPNs in Australia (CVE-2024-40766)   Alert

Sep 10, 2025 - The Australian Signals Directorate’s (ASD’s) Australian Cyber Security Centre (ACSC) is aware of ongoing active exploitation of a critical vulnerability in SonicWall SSL VPNs.