CVE-2020-29556

CVSS V2 Low 2.1 CVSS V3 Medium 5.5
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.)
Overview
  • CVE ID
  • CVE-2020-29556
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-03-15T18:15:17
  • Last Modified Date
  • 2021-03-25T00:56:26
Weakness Enumerations
CWE URL
CWE-22 http://cwe.mitre.org/data/definitions/22.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:getgrav:grav_cms:*:*:*:*:*:*:*:* 1 OR 1.7.0
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta1:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta10:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta2:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta3:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta4:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta5:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta6:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta7:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta8:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:beta9:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc1:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc10:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc11:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc12:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc13:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc14:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc15:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc16:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc17:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc2:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc20:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc3:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc4:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc5:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc6:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc7:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc8:*:*:*:*:*:* 1 OR
cpe:2.3:a:getgrav:grav_cms:1.7.0:rc9:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:L/AC:L/Au:N/C:P/I:N/A:N
  • Access Vector
  • LOCAL
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • NONE
  • Availability Impact
  • NONE
  • Base Score
  • 2.1
  • Severity
  • LOW
  • Exploitability Score
  • 3.9
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
  • Attack Vector
  • LOCAL
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • NONE
  • Base Score
  • 5.5
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.8
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://blog.bssi.fr/cve-2020-29553-cve-2020-29555-cve-2020-29556-multiple-vulnerabilities-within-cms-grav/ Exploit Patch Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-29556
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-29556
History
Created Old Value New Value Data Type Notes
2022-05-10 07:18:51 Added to TrackCVE
2022-12-05 23:46:44 2021-03-15T18:15Z 2021-03-15T18:15:17 CVE Published Date updated
2022-12-05 23:46:44 2021-03-25T00:56:26 CVE Modified Date updated
2022-12-05 23:46:44 Analyzed Vulnerability Status updated