CVE-2021-4104

Vulnerability Profile Updated a month ago
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CVE-2021-4104 is a software vulnerability identified in Flexera's FlexNet. This flaw in the software design or implementation can be exploited by attackers to gain unauthorized access to systems running the affected software. The vulnerability was one of several security flaws used by Gold Melody, a cyber threat group, during a series of intrusions that occurred from July 2020 to July 2022. Gold Melody leveraged this and other vulnerabilities, including those found in Oracle E-Business Suite (CVE-2016-0545), Apache Struts (CVE-2017-5638), Sitecore XP (CVE-2021-42237), and others, to obtain initial access to their targets' systems. These attacks were observed across five Secureworks Incident Response (IR) engagements. The vulnerabilities were exploited in internet-exposed servers, which served as initial access vectors for the attackers. The exploitation of known vulnerabilities like CVE-2021-4104 highlights the importance of regular patching and updating of software to prevent unauthorized access and potential data breaches. The activities of groups like Gold Melody underscore the need for robust cybersecurity measures, including threat intelligence and incident response capabilities, to identify and mitigate such threats.
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Log4j
Apache
Apache Struts
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Associated Vulnerabilities
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CVE-2021-42237Unspecified
1
CVE-2021-42237 is a software vulnerability discovered in Sitecore XP, a popular content management system. This flaw was one of several exploited by the cybercriminal group known as Gold Melody between July 2020 and July 2022. The group targeted internet-exposed servers, using these vulnerabilities
CVE-2017-5638Unspecified
1
CVE-2017-5638 is a significant vulnerability found in Apache Struts, a widely used open-source framework for developing Java web applications. This flaw in software design or implementation allowed attackers to remotely execute commands on the server running the vulnerable application, leading to po
CVE-2020-14882Unspecified
1
None
CVE-2020-14750Unspecified
1
None
CVE-2017-7504Unspecified
1
CVE-2017-7504 is a significant software vulnerability identified in the JBoss MQ Java Message Service (JMS). This flaw, rooted in software design and implementation, allows for deserialization attacks when exploited on an internet-exposed server. The vulnerability has been abused by malicious actors
CVE-2021-22941Unspecified
1
CVE-2021-22941 is a significant software vulnerability identified in Citrix ShareFile, which allows for remote code execution (RCE). This flaw was exploited by the threat actor group known as GOLD MELODY, also referred to as PROPHET SPIDER. The group has been linked to various attacks exploiting sec
CVE-2016-0545Unspecified
1
CVE-2016-0545 is a software vulnerability that affects the Oracle E-Business Suite. It is a flaw in the software's design or implementation that potentially allows unauthorized access or manipulation of data. This vulnerability was one of several exploited by the group known as Gold Melody between J
Source Document References
Information about the CVE-2021-4104 Vulnerability was read from the documents corpus below. This display is limited to 20 results, create a free account to see more
SourceCreatedAtTitle
CERT-EU
9 months ago
Cyber Group 'Gold Melody' Selling Compromised Access to Ransomware Attackers
CERT-EU
a year ago
GovCERT.HK - Security Alerts
CERT-EU
9 months ago
GOLD MELODY: Profile of an Initial Access Broker
CERT-EU
6 months ago
Gentoo update for Minecraft Server
CERT-EU
9 months ago
Gold Melody IAB exploits flaws in Oracle, Apache, Sitecore software to hack into corporate networks
CERT-EU
9 months ago
Gold Melody Attacking Organizations With Burp Extension, Mimikatz, and Other Tools