Medium severity · published Sep 27, 2021
CVE-2021-3818
Reliance on Cookies without Validation and Integrity Checking in getgrav/grav
5.3
CVSS
2.5%
EPSS
No
On KEV
Description
grav is vulnerable to Reliance on Cookies without Validation and Integrity Checking
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.5% · higher than 84% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GE
getgrav/grav · getgrav
before 1.7.22 · source: vendor
GR
Grav · Getgrav
before 1.7.22 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3818
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3818
Third Party Advisory
https://github.com/getgrav/grav/commit/c51fb1779b83f620c0b6f3548d4a96322b55df07
Exploit
https://huntr.dev/bounties/c2bc65af-7b93-4020-886e-8cdaeb0a58ea
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