Medium severity · published May 4, 2021
CVE-2021-26804
Insecure Permissions in Centreon Web versions 19.10.18, 20.04.8, and 20.10.2 allows remote attackers to bypass validation by changing any file extension to ".gif", then uploading…
6.5
CVSS
1.2%
EPSS
No
On KEV
Description
Insecure Permissions in Centreon Web versions 19.10.18, 20.04.8, and 20.10.2 allows remote attackers to bypass validation by changing any file extension to ".gif", then uploading it in the "Administration/ Parameters/ Images" section of the application.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.2% · higher than 68% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CW
Centreon Web · Centreon
19.10.18; 20.04.8; 20.10.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-26804
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-26804
medium.com
https://medium.com/%40pedro.ferreira.phf/vulnerability-affecting-some-versions-of-centreon-2b34bd6dc621
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