Critical severity · published May 24, 2022
CVE-2021-45915
In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value
9.8
CVSS
1.6%
EPSS
No
On KEV
Description
In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a cookie value. This allows the attacker's session to be authenticated as any registered LuxCal user, including the site administrator.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.6% · higher than 76% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LU
Luxcal · Luxsoft
before 5.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45915
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45915
Not Applicable
https://github.com/h1pmnh
Third Party Advisory
https://h1pmnh.github.io/post/cve-luxcal-2021/
Third Party Advisory
https://twitter.com/h1pmnh
Product
https://www.luxsoft.eu/index.php?pge=dload
More from Luxcal
9.8
CVE-2021-45914
In LuxSoft LuxCal Web Calendar before 5.2.0, an unauthenticated attacker can manipulate a POST request