Cisco has pushed a new patch to address four critical-severity vulnerabilities plaguing its cloud-based Webex Services platform – and has also warned Wi-Fi access points users of a bug in certain versions of IOS XE that could result in a device bootloop.
Webex Services is a platform for communication and collaboration, letting people hold video meetings, send messages, make calls, and share files, all from one place. It was found vulnerable to four flaws: CVE-2026-20184 (9.8/10 – a vulnerability in the integration of single sign-on (SSO)), CVE-2026-20147 (9.9/10 – a remote code execution bug in Cisco ISE and Cisco ISE-PIC), CVE-2026-20180, and CVE-2026-20186 (9.9/10 arbitrary code execution flaws in Cisco Identity Services Engine).
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:
- Critical Linux Flaw Opens the Door to Full Root Access
May 16, 2018
Red Hat has patched a vulnerability affecting the DHCP client packages that shipped with Red Hat Enterprise Linux 6 and 7. A successful exploit could give an attacker root access and full control over enterprise endpoints. According to an alert issued Wednesday from US-CERT, the critical-rated flaw, first reported by Google researcher Felix Wilhelm, would “allow attackers to ...
- Nethammer—Exploiting DRAM Rowhammer Bug Through Network Requests
May 16, 2018
Last week, we reported about the first network-based remote Rowhammer attack, dubbed Throwhammer, which involves the exploitation a known vulnerability in DRAM through network cards using remote direct memory access (RDMA) channels. However, a separate team of security researchers has now demonstrated a second network-based remote Rowhammer technique that can be used to attack systems using uncached memory or ...
- This new type of DDoS attack takes advantage of an old vulnerability
May 15, 2018
A newly-uncovered form of DDoS attack takes advantage of a well-known, yet still exploitable, security vulnerability in the Universal Plug and Play (UPnP) networking protocol to allow attackers to bypass common methods for detecting their actions. Attacks are launched from irregular source ports, making it difficult to determine their origin and blacklist the ports in order ...
- Ex-CIA man named as suspect in Vault 7 leak
May 15, 2018
A former CIA employee has been named as the prime suspect in last year’s dump of thousands of documents on the agency’s hacking practices. A report from The Washington Post cites court documents that name Joshua Adam Schulte as the person authorities think to be behind the massive Vault7 data dump. Read more… Source: The Register
- Shadowy Hackers Accidentally Reveal Two Zero-Days to Security Researchers
May 15, 2018
An unidentified hacker group appears to have accidentally exposed two fully-working zero-days when they’ve uploaded a weaponized PDF file to a public malware scanning engine. The zero-days where spotted by security researchers from Slovak antivirus vendor ESET, who reported the issues to Adobe and Microsoft, which in turn, had them patched within two months. Anton Cherepanov, ...
- Critical Flaws in PGP and S/MIME Tools Can Reveal Encrypted Emails in Plaintext
May 13, 2018
An important warning for people using widely used email encryption tools—PGP and S/MIME—for sensitive communication. A team of European security researchers has released a warning about a set of critical vulnerabilities discovered in PGP and S/Mime encryption tools that could reveal your encrypted emails in plaintext. What’s worse? The vulnerabilities also impact encrypted emails you sent in ...

