Medium severity · published May 11, 2021
CVE-2021-32604
Share/IncomingWizard.htm in SolarWinds Serv-U before 15.2.3 mishandles the user-supplied SenderEmail parameter, aka "Share URL XSS."
5.4
CVSS
1.7%
EPSS
No
On KEV
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SE
Serv-U · SolarWinds
before 15.2.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-32604
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-32604
Release Notes
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-2-3_release_notes.htm
Exploit
https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/solarwinds-serv-u-1523-share-url-xss-cve-2021-32604/
Exploit
https://www.trustwave.com/en-us/resources/security-resources/security-advisories/?fid=29000
More from Serv-U
10.0
CVE-2021-35211
Serv-U Remote Memory Escape Vulnerability
7.5
CVE-2026-28318
SolarWinds Serv-U Unauthenticated Denial of Service Vulnerability
7.5
CVE-2024-28995
SolarWinds Serv-U L Directory Transversal Vulnerability
5.3
CVE-2021-35247
Improper Input Validation Vulnerability in Serv-U
9.8
CVE-2020-35481
SolarWinds Serv-U before 15.2.2 allows Unauthenticated Macro Injection