Vulnerability · Published Mar 15, 2021 · Assigned by mitre

CVE-2020-29556

Medium 5.5

In plain English

A medium-severity security flaw in the getgrav/grav package (Packagist). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 63% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)1.0%top 37.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.)

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Packagistgetgrav/gravno fix listedGHSA-r3rg-jrjq-w4mr
Packagistgetgrav/grav1.6.30GHSA-r3rg-jrjq-w4mr

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References