CVE-2019-5434 is a critical PHP object injection vulnerability affecting Revive Adserver versions prior to 4.2.0. An unauthenticated attacker can send a specially crafted XML-RPC payload to trigger an unserialize() call, leading to potential remote code execution. With a CVSS score of 9.8 (CRITICAL) and an EPSS score of 0.91433, this vulnerability poses a severe risk due to its network-based attack vector and high impact on confidentiality, integrity, and availability. While not listed in CISA KEV, public exploits exist, including Nuclei templates and an ExploitDB entry, indicating readily available exploit code. Despite the high severity and available exploits, there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 4.2.0CPE matchmatch criteria | cpe:2.3:a:revive-sas:revive_adserver:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
No social media mentions found for this CVE.
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.