Critical severity · published Jan 17, 2022
CVE-2021-4171
calibre-web is vulnerable to Business Logic Errors
9.8
CVSS
1.4%
EPSS
No
On KEV
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)1.4% · higher than 72% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CA
Calibre-web · Janeczku
before 0.6.15 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-4171
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-4171
Patch
https://github.com/janeczku/calibre-web/commit/3e0d8763c377d2146462811e3e4ccf13f0d312ce
Exploit
https://huntr.dev/bounties/1117f439-133c-4563-afb2-6cd80607bd5c
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