CVE-2018-9843 is a critical remote code execution vulnerability affecting the REST API in CyberArk Password Vault Web Access versions prior to 9.9.5 and 10.x before 10.1. An unauthenticated attacker can exploit this by sending a crafted serialized .NET object within the Authorization HTTP header. With a CVSS score of 9.8, this vulnerability is easily exploitable over the network with no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, public exploit code exists on ExploitDB, though there is no evidence of active exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 9.9.5CPE matchmatch criteria | cpe:2.3:a:cyberark:password_vault:*:*:*:*:*:*:*:* | ||
>= 10.0, < 10.1CPE matchmatch criteria | cpe:2.3:a:cyberark:password_vault:*:*:*:*:*:*:*:* |
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
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.