Critical severity · published May 18, 2020
CVE-2020-12258
rConfig 3.9.4 is vulnerable to session fixation because session expiry and randomization are mishandled
9.1
CVSS
1.7%
EPSS
No
On KEV
Description
rConfig 3.9.4 is vulnerable to session fixation because session expiry and randomization are mishandled. The application can reuse a session via PHPSESSID. Also, an attacker can exploit this vulnerability in conjunction with CVE-2020-12256 or CVE-2020-12259.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
RC
Rconfig · Rconfig
3.9.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-12258
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-12258
Third Party Advisory
https://gist.github.com/farid007/8855031bad0e497264e4879efb5bc9f8
More from Rconfig
8.8
CVE-2020-10221
rConfig OS Command Injection Vulnerability
9.9
CVE-2020-15715
rConfig 3.9.5 could allow a remote authenticated attacker to execute arbitrary code on the system, because of an error in the search.crud.php script
9.8
CVE-2026-77915
rConfig Core 8.0.0 < 8.2.10 Unauthorized Admin Registration via web.php
9.8
CVE-2020-23151
rConfig 3.9.5 allows command injection by sending a crafted GET request to lib/ajaxHandlers/ajaxArchiveFiles.php since the path parameter is passed directly to the exec function…
9.8
CVE-2020-13638
lib/crud/userprocess.php in rConfig 3.9.x before 3.9.7 has an authentication bypass, leading to administrator account creation