Improper input validation in Solarwinds Serv-U
CVE-2021-35223
The Serv-U File Server allows for events such as user login failures to be audited by executing a command. This command can be supplied with parameters that can take the form of user string variables, allowing remote code execution.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.029 (86.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Solarwinds Serv-U — versions 15.2.3 and previous versions
Weakness classification (CWE)
References
- support.solarwinds.com/SuccessCenter/s/article/Execute-Command-Function-Allows-… (Vendor Advisory)
- documentation.solarwinds.com/en/success_center/servu/content/release_notes/serv… (Release Notes, Vendor Advisory)
- www.solarwinds.com/trust-center/security-advisories/cve-2021-35223 (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-35223?
- CVE-2021-35223 is a high-severity vulnerability in Solarwinds Serv-U, classified under Improper Input Validation. CVSS score: 8.5/10. Published 2021-08-31.
- How severe is CVE-2021-35223?
- High severity. CVSS v3 base score is 8.5 out of 10.