Medium severity · published Mar 15, 2021
CVE-2020-29556
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal…
5.5
CVSS
1%
EPSS
No
On KEV
Description
The Backup functionality in Grav CMS through 1.7.0-rc.17 allows an authenticated attacker to read arbitrary local files on the underlying server by exploiting a path-traversal technique. (This vulnerability can also be exploited by an unauthenticated attacker due to a lack of CSRF protection.)
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 62% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GC
Grav Cms · Getgrav
before 1.7.0; 1.7.0; 1.7.0; 1.7.0; 1.7.0; 1.7.0; +23 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-29556
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-29556
Exploit
https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/
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