High severity · published May 16, 2018
CVE-2018-10240
SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of…
7.3
CVSS
1%
EPSS
No
On KEV
Description
SolarWinds Serv-U MFT before 15.1.6 HFv1 assigns authenticated users a low-entropy session token that can be included in requests to the application as a URL parameter in lieu of a session cookie. This session token's value can be brute-forced by an attacker to obtain the corresponding session cookie and hijack the user's session.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Serv-U · SolarWinds
through 15.1.6 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-10240
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-10240
Third Party Advisory
https://www.bishopfox.com/news/2018/05/solarwinds-serv-u-managed-file-transfer-insufficient-session-id-entropy/
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