CVE-2021-45915 is a critical authentication bypass vulnerability affecting LuxSoft LuxCal Web Calendar versions prior to 5.2.0. An unauthenticated attacker can manipulate a cookie value to impersonate any registered user, including the administrator. With a CVSS score of 9.8, this vulnerability presents a severe risk due to its network-based attack vector, low complexity, and complete compromise of confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, the high FAUCET Risk Score of 80/100 indicates its significant potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.2.0CPE matchmatch criteria | cpe:2.3:a:luxsoft:luxcal:*:*:*:*:*:*:*:* |
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.