CVE-2023-22515

Threat actors linked to the RansomHub ransomware group encrypted and exfiltrated data from at least 210 victims since its inception in February 2024, the U.S. government said. The victims span various sectors, including water and wastewater, information technology, government services and facilities, healthcare and public health, emergency services, food and agriculture, financial services,

In September, two high-profile casino breaches taught us about the nuances of the RaaS affiliate landscape, the asymmetric dangers of phishing, and of two starkly different approaches to ransomware negotiation.

Cybersecurity researchers have discovered a stealthy backdoor named Effluence that's deployed following the successful exploitation of a recently disclosed security flaw in Atlassian Confluence Data Center and Server. "The malware acts as a persistent backdoor and is not remediated by applying patches to Confluence," Aon's Stroz Friedberg Incident Response Services said in an analysis published

Multiple ransomware groups have begun to actively exploit recently disclosed flaws in Atlassian Confluence and Apache ActiveMQ. Cybersecurity firm Rapid7 said it observed the exploitation of CVE-2023-22518 and CVE-2023-22515 in multiple customer environments, some of which have been leveraged for the deployment of Cerber (aka C3RB3R) ransomware. Both vulnerabilities are critical, allowing threat

Hello everyone! October was an interesting and busy month for me. I started a new job, worked on my open source Vulristics project, and analyzed vulnerabilities using it. Especially Linux vulnerabilities as part of my new Linux Patch Wednesday project. And, of course, analyzed Microsoft Patch Tuesday as well. In addition, at the end of […]

Atlassian has warned of a critical security flaw in Confluence Data Center and Server that could result in "significant data loss if exploited by an unauthenticated attacker." Tracked as CVE-2023-22518, the vulnerability is rated 9.1 out of a maximum of 10 on the CVSS scoring system. It has been described as an instance of "improper authorization vulnerability." All versions of Confluence Data

This Metasploit module exploits an improper input validation issue in Atlassian Confluence, allowing arbitrary HTTP parameters to be translated into getter/setter sequences via the XWorks2 middleware and in turn allows for Java objects to be modified at run time. The exploit will create a new administrator user and upload a malicious plugins to get arbitrary code execution. All versions of Confluence between 8.0.0 through to 8.3.2, 8.4.0 through to 8.4.2, and 8.5.0 through to 8.5.1 are affected.

Categories: Exploits and vulnerabilities Categories: News Microsoft Threat Intelligence has revealed that it has been tracking the active exploitation of a vulnerability in Atlassian Confluence software since September 14, 2023. (Read more...) The post Update now! Atlassian Confluence vulnerability is being actively exploited appeared first on Malwarebytes Labs.

Organizations should brace for mass exploitation of CVE-2023-22515, an uber-critical security bug that opens the door to crippling supply chain attacks on downstream victims.

Microsoft has linked the exploitation of a recently disclosed critical flaw in Atlassian Confluence Data Center and Server to a nation-state actor it tracks as Storm-0062 (aka DarkShadow or Oro0lxy). The tech giant's threat intelligence team said it observed in-the-wild abuse of the vulnerability since September 14, 2023. "CVE-2023-22515 is a critical privilege escalation vulnerability in

Atlassian has released fixes to contain an actively exploited critical zero-day flaw impacting publicly accessible Confluence Data Center and Server instances. The vulnerability, tracked as CVE-2023-22515, is remotely exploitable and allows external attackers to create unauthorized Confluence administrator accounts and access Confluence servers. It does not impact Confluence versions prior to

Atlassian has been made aware of an issue reported by a handful of customers where external attackers may have exploited a previously unknown vulnerability in publicly accessible Confluence Data Center and Server instances to create unauthorized Confluence administrator accounts and access Confluence instances. Atlassian Cloud sites are not affected by this vulnerability. If your Confluence site is accessed via an atlassian.net domain, it is hosted by Atlassian and is not vulnerable to this issue.