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SolarWindsCVELIST:CVE-2021-35252

HistoryDec 16, 2022 - 12:00 a.m.

CVE-2021-35252 Common Key Vulnerability in Serv-U FTP Server

2022-12-1600:00:00

CWE-798

SolarWinds

www.cve.org

common key vulnerability

serv-u ftp server

encryption key reuse

plaintext exposure

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

39.4%

JSON

Common encryption key appears to be used across all deployed instances of Serv-U FTP Server. Because of this an encrypted value that is exposed to an attacker can be simply recovered to plaintext.

CNA Affected

[
  {
    "defaultStatus": "unaffected",
    "product": "Serv-U FTP Server",
    "vendor": "SolarWinds",
    "versions": [
      {
        "status": "affected",
        "version": "15.3.0"
      }
    ]
  }
]

References

cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-35252

documentation.solarwinds.com/en/success_center/servu/content/release_notes/servu_15-3-2_release_notes.htm

www.solarwinds.com/trust-center/security-advisories/CVE-2021-35252

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

39.4%

JSON

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