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Iain Thomson@The Register - Security //
The Cybersecurity and Infrastructure Security Agency (CISA) has issued alerts concerning critical vulnerabilities affecting SonicWall SMA 100 series appliances and legacy Oracle Cloud environments. The alerts highlight potential risks to organizations and individuals stemming from exploited vulnerabilities and data theft. CISA is urging affected users to take immediate steps to mitigate potential cyberattacks, including resetting passwords, monitoring authentication logs, and implementing multi-factor authentication. These actions aim to prevent unauthorized access and escalation of privileges within enterprise environments.

The alert regarding Oracle Cloud addresses the compromise of legacy Oracle Cloud servers earlier in the year. CISA warns that the nature of the reported activity presents a potential risk, especially where credential material may be exposed, reused across separate systems, or embedded within scripts and applications. Compromised credentials, including usernames, emails, passwords, authentication tokens, and encryption keys, can significantly impact enterprise security. The agency has specifically emphasized the danger of embedded credentials, which are difficult to detect and remove, potentially enabling long-term unauthorized access.

CISA has also added CVE-2021-20035, a high-severity OS command-injection vulnerability in SonicWall SMA100 remote-access appliances, to its known exploited vulnerabilities catalog. SonicWall initially disclosed and patched the vulnerability in September 2021, later raising its severity score. The vulnerability allows a threat actor to remotely inject arbitrary commands, potentially leading to code execution. Federal civilian executive branch agencies have been directed to patch their SonicWall appliances by May 7 or discontinue use of the product. SonicWall is actively investigating the scope of the exploitation and urges customers to upgrade to the latest firmware.

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