CVE-2020-8518 is a critical remote code execution (RCE) vulnerability affecting Horde Groupware Webmail Edition 5.2.22 and related distributions like Debian and Fedora. It allows unauthenticated attackers to inject arbitrary PHP code via specially crafted CSV data. With a CVSS score of 9.8 (Critical) and an EPSS score indicating high exploitability, this vulnerability poses a severe risk, enabling full compromise of affected systems. While not on CISA's KEV catalog, public exploit code is available, including a Metasploit module and an ExploitDB entry, and it has garnered significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
5.2.22CPE matchmatch criteria | cpe:2.3:a:horde:groupware:5.2.22:*:*:*:webmail:*:*:* | ||
30CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:* | ||
31CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.