A maximum-severity vulnerability in certain Cisco products has finally been addressed after allegedly being exploited by Chinese hackers for several weeks.
In mid-December 2025, the networking giant disclosed a remote code execution (RCE) vulnerability in AsyncOS that affects Secure Email Gateway (SEG) and Secure Email and Web Manager (SEWM) appliances. It tracked the flaw as CVE-2025-20393 and gave it a severity score of 10/10 (critical). “This attack allows the threat actors to execute arbitrary commands with root privileges on the underlying operating system of an affected appliance,” Cisco said at the time.
Read more…
Source: TechRadar News
Sign up for the Cyber Security Review Newsletter
The latest cyber security news and insights delivered right to your inbox
Related:
- CISA Releases Two Industrial Control Systems Advisories
June 8, 2023
CISA released two Industrial Control Systems (ICS) advisories on June 8, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-159-01 Atlas Copco Power Focus 6000 Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency Related story: CISA Adds One Known Exploited Vulnerability to Catalog
- #StopRansomware: CL0P Ransomware Gang Exploits MOVEit Vulnerability
June 7, 2023
CISA and FBI released a joint Cybersecurity Advisory (CSA) CL0P Ransomware Gang Exploits MOVEit Vulnerability in response to a recent vulnerability exploitation attributed to CL0P Ransomware Gang. This joint guide provides indicators of compromise (IOCs) and tactics, techniques, and procedures (TTPs) identified through FBI investigations as recently as May this year. Additionally, it provides immediate ...
- CISA Releases Two Industrial Control Systems Advisories
June 6, 2023
CISA released two Industrial Control Systems (ICS) advisories on June 6, 2023. These advisories provide timely information about current security issues, vulnerabilities, and exploits surrounding ICS. ICSA-23-157-01 Delta Electronics CNCSoft-B DOPSoft Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- Microsoft says Clop ransomware gang is behind MOVEit mass-hacks, as first victims come forward
June 5, 2023
Security researchers have linked to the notorious Clop ransomware gang a new wave of mass-hacks targeting a popular file transfer tool, as the first victims of the attacks begin to come forward. It was revealed last week that hackers are exploiting a newly discovered vulnerability in MOVEit Transfer, a file-transfer tool widely used by enterprises to ...
- CISA Adds Two Known Exploited Vulnerabilities to Catalog
June 5, 2023
CISA has added two new vulnerabilities to its Known Exploited Vulnerabilities Catalog, based on evidence of active exploitation. CVE-2023-33009 Zyxel Multiple Firewalls Buffer Overflow Vulnerability Read more… Source: U.S. Cybersecurity and Infrastructure Security Agency
- Zero-Day Vulnerability in MOVEit Transfer Exploited for Data Theft
June 2, 2023
Mandiant has observed wide exploitation of a zero-day vulnerability in the MOVEit Transfer secure managed file transfer software for subsequent data theft. This vulnerability was announced by Progress Software Corporation on May 31, 2023 and has been assigned CVE-2023-34362. Based on initial analysis from Mandiant incident response engagements, the earliest evidence of exploitation occurred on May ...