CVE-2021-35247 Improper Input Validation Vulnerability in Serv-U

2022-01-0722:39:50

CWE-20

SolarWinds

www.cve.org

cve-2021-35247

serv-u

input validation

ldap

solarwinds

update mechanism

sanitization

downstream affect

environment

scheduling

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

AI Score

6.9

Confidence

High

EPSS

0.007

Percentile

80.3%

JSON

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.

CNA Affected

[
  {
    "product": "Serv-U",
    "vendor": "SolarWinds",
    "versions": [
      {
        "lessThan": "15.3",
        "status": "affected",
        "version": "15.2.5 and previous versions",
        "versionType": "custom"
      }
    ]
  }
]