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CVE-2020-22428

18
FAUCET Score

CVE-2020-22428 describes a Cross-Site Scripting (XSS) vulnerability in SolarWinds Serv-U FTP Server and MFT Server versions prior to 15.1.6 Hotfix 3. An authenticated administrator can inject a JavaScript payload into a directory name, which then executes when viewed by other users. Rated Medium severity (CVSS 4.8), this vulnerability requires high privileges (PR:H) and user interaction (UI:R) for exploitation, potentially leading to limited impact on confidentiality and integrity (C:L, I:L). There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
15.1CPE matchmatch criteria
cpe:2.3:a:solarwinds:serv-u_ftp_server:15.1:*:*:*:*:*:*:*
15.1CPE matchmatch criteria
cpe:2.3:a:solarwinds:serv-u_mft_server:15.1:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

4.8MEDIUM

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
1.7
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.18%
Probability of exploitation in next 30 days
EPSS Percentile
64.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0118 is in the 95th percentile among its peer group of 4,937 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / matrix
Not ApplicableThird Party Advisory
support.solarwinds.com / SuccessCenter/s/article/Serv-U-15-1-6-Hotfix-3
Vendor Advisory
twitter.com / gm4tr1x
Third Party Advisory
linkedin.com / in/gabrielegristina
Permissions RequiredThird Party Advisory