SE
File Transfer
Serv-U
On CISA KEVExploited in the wildRansomware-linked
55
CVEs
4
On KEV
10.0
Max CVSS
0
New 30D
Severity mix
Critical 19High 20Medium 16Low 0
Watch
Add Serv-U to your stack to get only the CVEs that touch what you run.
| CVE | CVSS | Published | Summary · affected versions |
|---|---|---|---|
| CVE-2021-35211 RansomwareIn wildKEV | 10.0 | Jul 14 | Serv-U Remote Memory Escape Vulnerability Affected: before 15.2.3; 15.2.3; 15.2.3 |
| CVE-2026-28318 In wildKEV | 7.5 | Jun 4 | SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability Affected: through 15.5.4 |
| CVE-2024-28995 In wildKEV | 7.5 | Jun 6 | SolarWinds Serv-U L Directory Transversal Vulnerability Affected: 15.4.2 HF 1 and previous versions |
| CVE-2021-35247 In wildKEV | 5.3 | Jan 7 | Improper Input Validation Vulnerability in Serv-U Affected: 15.2.5 and previous versions before 15.3 |
| CVE-2020-35481 | 9.8 | Feb 3 | SolarWinds Serv-U before 15.2.2 allows Unauthenticated Macro Injection Affected: before 15.2.2 |
| CVE-2026-28321 | 9.1 | Jul 21 | SolarWinds Serv-U Broken Access Control Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28317 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28316 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28314 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28313 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28312 | 9.1 | Jul 21 | SolarWinds Serv-U Privilege Escalation Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28310 | 9.1 | Jul 21 | SolarWinds Serv-U Privilege Escalation Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28309 | 9.1 | Jul 21 | SolarWinds Serv-U Broken Access Control Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28308 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28307 | 9.1 | Jul 21 | SolarWinds Serv-U Privilege Escalation Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28306 | 9.1 | Jul 21 | SolarWinds Serv-U Privilege Escalation Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28305 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28304 | 9.1 | Jul 21 | SolarWinds Serv-U Remote Code Execution Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2026-28302 | 9.1 | Jul 21 | SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2025-40549 | 9.1 | Nov 18 | A Path Restriction Bypass vulnerability exists in Serv-U that when abused, could give a malicious actor with access to admin privileges the ability to execute code on a directory Affected: before 15.5.3 |
| CVE-2025-40548 | 9.1 | Nov 18 | A missing validation process exists in Serv U when abused, could give a malicious actor with access to admin privileges the ability to execute code Affected: before 15.5.3 |
| CVE-2025-40547 | 9.1 | Nov 18 | A logic error vulnerability exists in Serv-U which when abused could give a malicious actor with access to admin privileges the ability to execute code Affected: before 15.5.3 |
| CVE-2024-45711 | 8.8 | Oct 16 | SolarWinds Serv-U is vulnerable to a directory traversal vulnerability where remote code execution is possible depending on privileges given to the authenticated user Affected: before 15.5 |
| CVE-2021-35242 | 8.8 | Dec 6 | Serv-U server responds with valid CSRFToken when the request contains only Session Affected: before 15.2.5 |
| CVE-2021-35223 | 8.8 | Aug 31 | The Serv-U File Server allows for events such as user login failures to be audited by executing a command Affected: before 15.2.4 |
| CVE-2023-23841 | 7.5 | Jun 15 | SolarWinds Serv-U is submitting an HTTP request when changing or updating the attributes for File Share or File request. Part of the URL of the request discloses sensitive data Affected: before 15.4 |
| CVE-2021-35252 | 7.5 | Dec 16 | Common encryption key appears to be used across all deployed instances of Serv-U FTP Server Affected: before 15.3.2 |
| CVE-2021-35250 | 7.5 | Apr 25 | A researcher reported a Directory Transversal Vulnerability in Serv-U 15.3 Affected: 15.3 |
| CVE-2021-3154 | 7.5 | May 4 | An issue was discovered in SolarWinds Serv-U before 15.2.2 Affected: before 15.2.2 |
| CVE-2020-15576 | 7.5 | Jul 7 | SolarWinds Serv-U File Server before 15.2.1 allows information disclosure via an HTTP response Affected: before 15.2.1 |
| CVE-2020-15574 | 7.5 | Jul 7 | SolarWinds Serv-U File Server before 15.2.1 mishandles the Same-Site cookie attribute, aka Case Number 00331893 Affected: before 15.2.1 |
| CVE-2018-10240 | 7.3 | May 16 | 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… Affected: through 15.1.6 |
| CVE-2025-40541 | 7.2 | Feb 24 | An Insecure Direct Object Reference (IDOR) vulnerability exists in Serv-U, which when exploited, gives a malicious actor the ability to execute native code as a privileged account Affected: before 15.5.4 |
| CVE-2025-40540 | 7.2 | Feb 24 | A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account Affected: before 15.5.4 |
| CVE-2025-40539 | 7.2 | Feb 24 | A type confusion vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to execute arbitrary native code as privileged account Affected: before 15.5.4 |
| CVE-2025-40538 | 7.2 | Feb 24 | A broken access control vulnerability exists in Serv-U which when exploited, gives a malicious actor the ability to create a system admin user and execute arbitrary code as a… Affected: before 15.5.4 |
| CVE-2024-28073 | 7.2 | Apr 17 | SolarWinds Serv-U was found to be susceptible to a Directory Traversal Remote Code Vulnerability Affected: before 15.4.2 |
| CVE-2023-40060 | 7.2 | Sep 7 | A vulnerability has been identified within Serv-U 15.4 and 15.4 Hotfix 1 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication Affected: 15.4.0; 15.4.0 |
| CVE-2023-35179 | 7.2 | Aug 11 | A vulnerability has been identified within Serv-U 15.4 that, if exploited, allows an actor to bypass multi-factor/two-factor authentication Affected: 15.4.0 |
| CVE-2021-25276 | 7.1 | Feb 3 | In SolarWinds Serv-U before 15.2.2 Hotfix 1, there is a directory containing user profile files (that include users' password hashes) that is world readable and writable Affected: before 15.2.2; 15.2.2 |
| CVE-2021-35245 | 6.8 | Dec 6 | When a user has admin rights in Serv-U Console, the user can move, create and delete any files are able to be accessed on the Serv-U host machine Affected: before 15.2.4; 15.2.4; 15.2.5 |
| CVE-2020-27994 | 6.5 | Feb 3 | SolarWinds Serv-U before 15.2.2 allows Authenticated Directory Traversal Affected: before 15.2.2 |
| CVE-2018-10241 | 6.5 | May 16 | A denial of service vulnerability in SolarWinds Serv-U before 15.1.6 HFv1 allows an authenticated user to crash the application (with a NULL pointer dereference) via a specially… Affected: through 15.1.6 |
| CVE-2026-28315 | 6.2 | Jul 21 | SolarWinds Serv-U Authenticated Stored Cross-site Scripting (XSS) Vulnerability Affected: 15.5.4 HF1 and below |
| CVE-2020-15575 | 6.1 | Jul 7 | SolarWinds Serv-U File Server before 15.2.1 allows XSS as demonstrated by Tenable Scan, aka Case Number 00484194 Affected: before 15.2.1 |
| CVE-2020-15573 | 6.1 | Jul 7 | SolarWinds Serv-U File Server before 15.2.1 has a "Cross-script vulnerability," aka Case Numbers 00041778 and 00306421 Affected: before 15.2.1 |
| CVE-2024-45712 | 5.4 | Apr 15 | SolarWinds Serv-U is vulnerable to a client-side cross-site scripting (XSS) vulnerability Affected: before 15.5.1 |
| CVE-2022-38106 | 5.4 | Dec 16 | This vulnerability happens in the web client versions 15.3.0 to Serv-U 15.3.1 Affected: 15.3.0; 15.3.1 |
| CVE-2021-32604 | 5.4 | May 11 | Share/IncomingWizard.htm in SolarWinds Serv-U before 15.2.3 mishandles the user-supplied SenderEmail parameter, aka "Share URL XSS." Affected: before 15.2.3 |
| CVE-2020-35482 | 5.4 | Feb 3 | SolarWinds Serv-U before 15.2.2 allows authenticated reflected XSS Affected: before 15.2.2 |
