CVE-2021-35247

Known Exploited
Improper Input Validation Vulnerability in Serv-U

Description

Serv-U web login screen to LDAP authentication was allowing characters that were not sufficiently sanitized. SolarWinds has updated the input mechanism to perform additional validation and sanitization. Please Note: No downstream affect has been detected as the LDAP servers ignored improper characters. To insure proper input validation is completed in all environments. SolarWinds recommends scheduling an update to the latest version of Serv-U.

Category

4.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 4.98% Top 15%
KEV Since 
Vendor Advisory solarwinds.com Vendor Advisory solarwinds.com
Affected: SolarWinds Serv-U
Published at:
Updated at:

References

Link Tags
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35247 broken link vendor advisory
https://documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3_release_notes.htm release notes vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-35247?
CVE-2021-35247 has been scored as a medium severity vulnerability.
How to fix CVE-2021-35247?
To fix CVE-2021-35247, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-35247 being actively exploited in the wild?
It is confirmed that CVE-2021-35247 is actively exploited. Be extra cautious if you are using vulnerable components. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-35247?
CVE-2021-35247 affects SolarWinds Serv-U.
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