Vulnerability in Solarwinds Serv-U

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 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.

EPSS: 0.011 (61.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-10240?
CVE-2018-10240 is a high-severity vulnerability in Solarwinds Serv-U, classified under Insufficient Entropy. CVSS score: 7.3/10. Published 2018-05-16.
How severe is CVE-2018-10240?
High severity. CVSS v3 base score is 7.3 out of 10.
Is CVE-2018-10240 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.