CVE-2020-7877 is a high-severity buffer overflow vulnerability affecting ZOOK solution (remote administration tool) and related Mastersoft/Microsoft products. It stems from a missing boundary check when parsing a crafted 'OUTERIP' value within the 'ConnectMe' command, allowing for remote arbitrary command execution. With a CVSS score of 8.8, this vulnerability is easily exploitable over the network with low privileges and no user interaction, leading to high impact on confidentiality, integrity, and availability. Currently, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed in CISA's KEV catalog, indicating no active exploitation. Community discussion and media coverage are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.0.6.1CPE matchmatch criteria | cpe:2.3:a:mastersoft:zook_agent:2.0.6.1:*:*:*:*:*:*:* | ||
2.0.4.6CPE matchmatch criteria | cpe:2.3:a:mastersoft:zook_viewer:2.0.4.6:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.