SE
File Transfer
Serv-U
by SolarWinds · last CVE Jul 21, 2026
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
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Add Serv-U to your stack to get only the CVEs that touch what you run.

CVECVSSEPSSPublishedSummary · affected versions
CVE-2021-35211
RansomwareIn wildKEV
10.0
91%
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
44%
Jun 4
SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability
Affected: through 15.5.4
CVE-2024-28995
In wildKEV
7.5
100%
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
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
1%
Feb 3
SolarWinds Serv-U before 15.2.2 allows Unauthenticated Macro Injection
Affected: before 15.2.2
CVE-2026-28321
9.1
1%
Jul 21
SolarWinds Serv-U Broken Access Control Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28317
9.1
0%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28316
9.1
2%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28314
9.1
1%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28313
9.1
0%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28312
9.1
1%
Jul 21
SolarWinds Serv-U Privilege Escalation Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28310
9.1
0%
Jul 21
SolarWinds Serv-U Privilege Escalation Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28309
9.1
0%
Jul 21
SolarWinds Serv-U Broken Access Control Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28308
9.1
1%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28307
9.1
0%
Jul 21
SolarWinds Serv-U Privilege Escalation Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28306
9.1
0%
Jul 21
SolarWinds Serv-U Privilege Escalation Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28305
9.1
1%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28304
9.1
1%
Jul 21
SolarWinds Serv-U Remote Code Execution Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2026-28302
9.1
1%
Jul 21
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2025-40549
9.1
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
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
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
6%
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
1%
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
3%
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
0%
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
1%
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
13%
Apr 25
A researcher reported a Directory Transversal Vulnerability in Serv-U 15.3
Affected: 15.3
CVE-2021-3154
7.5
1%
May 4
An issue was discovered in SolarWinds Serv-U before 15.2.2
Affected: before 15.2.2
CVE-2020-15576
7.5
2%
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
2%
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
1%
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
1%
Feb 24
SolarWinds Serv-U Insecure Direct Object Reference (IDOR) Remote Code Execution Vulnerability
Affected: SolarWinds Serv-U 15.5.3 and prior versions
CVE-2025-40540
7.2
0%
Feb 24
SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
Affected: SolarWinds Serv-U 15.5.3 and prior versions
CVE-2025-40539
7.2
0%
Feb 24
SolarWinds Serv-U Type Confusion Remote Code Execution Vulnerability
Affected: SolarWinds Serv-U 15.5.3 and prior versions
CVE-2025-40538
7.2
1%
Feb 24
SolarWinds Serv-U Broken Access Control Remote Code Execution Vulnerability
Affected: SolarWinds Serv-U 15.5.3 and prior versions
CVE-2024-28073
7.2
1%
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
1%
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
1%
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
0%
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
1%
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
4%
Feb 3
SolarWinds Serv-U before 15.2.2 allows Authenticated Directory Traversal
Affected: before 15.2.2
CVE-2018-10241
6.5
2%
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
1%
Jul 21
SolarWinds Serv-U Authenticated Stored Cross-site Scripting (XSS) Vulnerability
Affected: 15.5.4 HF1 and below
CVE-2020-15575
6.1
2%
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
2%
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
0%
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
1%
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
2%
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
2%
Feb 3
SolarWinds Serv-U before 15.2.2 allows authenticated reflected XSS
Affected: before 15.2.2
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