Login Request a demo
High severity · published May 19, 2020
CVE-2020-11807
Because of Unrestricted Upload of a File with a Dangerous Type, Sourcefabric Newscoop 4.4.7 allows an authenticated user to execute arbitrary PHP code (and sometimes terminal…
7.8
CVSS
0.7%
EPSS
No
On KEV
Description
Because of Unrestricted Upload of a File with a Dangerous Type, Sourcefabric Newscoop 4.4.7 allows an authenticated user to execute arbitrary PHP code (and sometimes terminal commands) on a server by making an avatar update and then visiting the avatar file under the /images/ path.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 51% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
NE
Newscoop · Sourcefabric
4.4.7 · source: NVD
Affected product
NE
Newscoop
Sourcefabric
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-11807
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-11807
Exploit
https://gist.github.com/V-Rico/82e9e52ac451dc20eef87b0999b3b1ee
Patch
https://github.com/sourcefabric/Newscoop/blob/3df835637609a5a42530b2a4611177c634ad6274/newscoop/library/Newscoop/Image/ImageService.php#L226
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