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CVE-2020-16138 is a denial-of-service vulnerability in Cisco Unified IP Conference Station 7937G (firmware versions 1-4-4-0 through 1-4-5-7). The vulnerability is triggered when an attacker initiates SSH connections using unsupported key exchange algorithms, causing the device to become unresponsive until it is manually power cycled. The root cause is improper handling of SSH key exchange negotiation in the device's firmware, specifically in the localmenus.cgi script.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
1 valid exploit after Mallory filtered fakes, detection scripts, and README-only repos.
This repository is the official Metasploit Framework, a comprehensive and modular exploitation platform widely used for penetration testing, vulnerability research, and red teaming. The structure includes configuration files, Ruby application code, data files for exploits (including CVE-specific payloads and templates), and various scripts for setup and testing. The framework supports a wide range of attack vectors, including network-based and local exploits, and provides modules for auxiliary functions such as scanning, credential harvesting, and post-exploitation. The presence of files like 'data/exploits/CVE-2008-6508/plugin.xml', 'data/exploits/CVE-2010-0842/META-INF/MANIFEST.MF', and 'data/capture_config.yaml' demonstrates support for both generic and targeted attacks. The repository is highly mature, weaponized, and designed for extensibility, with a large codebase primarily in Ruby, but also including C, YAML, and shell scripts. It is not a single exploit but a full exploitation framework capable of delivering and managing a wide variety of payloads and attack techniques.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
1 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.