CVE-2017-9841 is a critical remote code execution (RCE) vulnerability affecting PHPUnit versions before 4.8.28 and 5.x before 5.6.3, specifically through the Util/PHP/eval-stdin.php component. This flaw allows unauthenticated attackers to execute arbitrary PHP code by sending specially crafted HTTP POST data to an exposed /vendor folder. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. This vulnerability is actively exploited in the wild, listed in CISA's KEV catalog, and has publicly available exploit code, including Nuclei templates and ExploitDB entries, garnering significant community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 4.8.27CPE matchmatch criteria | cpe:2.3:a:phpunit_project:phpunit:*:*:*:*:*:*:*:* | ||
>= 5.0.0, < 5.6.3CPE matchmatch criteria | cpe:2.3:a:phpunit_project:phpunit:*:*:*:*:*:*:*:* | ||
>= 8.0.0, <= 8.5.0CPE matchmatch criteria | cpe:2.3:a:oracle:communications_diameter_signaling_router:*:*:*:*:*:*:*:* |
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.