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attackerkbAttackerKBAKB:9ADF44D2-FA0D-4643-8B97-8B46983B6917
HistoryJul 13, 2021 - 12:00 a.m.

CVE-2021-35211

2021-07-1300:00:00
attackerkb.com
136

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.967 High

EPSS

Percentile

99.5%

Microsoft discovered a remote code execution (RCE) vulnerability in the SolarWinds Serv-U product utilizing a Remote Memory Escape Vulnerability. If exploited, a threat actor may be able to gain privileged access to the machine hosting Serv-U Only. SolarWinds Serv-U Managed File Transfer and Serv-U Secure FTP for Windows before 15.2.3 HF2 are affected by this vulnerability.

Recent assessments:

NinjaOperator at July 12, 2021 4:00pm UTC reported:

SolarWinds was recently notified by Microsoft of a security vulnerability (RCE) related to Serv-U Managed File Transfer Server and Serv-U Secured FTP and have developed a hotfix to resolve this vulnerability. While Microsoft’s research indicates this vulnerability exploit involves a limited, targeted set of customers and a single threat actor, our joint teams have mobilized to address it quickly.

The vulnerability exists in the latest Serv-U version 15.2.3 HF1 released May 5, 2021, and all prior versions. A threat actor who successfully exploits CVE-2021-34527 can run arbitrary code with SYSTEM privileges and install programs; view, change, or delete data, and run programs.

wvu-r7 at July 22, 2021 4:35pm UTC reported:

SolarWinds was recently notified by Microsoft of a security vulnerability (RCE) related to Serv-U Managed File Transfer Server and Serv-U Secured FTP and have developed a hotfix to resolve this vulnerability. While Microsoft’s research indicates this vulnerability exploit involves a limited, targeted set of customers and a single threat actor, our joint teams have mobilized to address it quickly.

The vulnerability exists in the latest Serv-U version 15.2.3 HF1 released May 5, 2021, and all prior versions. A threat actor who successfully exploits CVE-2021-34527 can run arbitrary code with SYSTEM privileges and install programs; view, change, or delete data, and run programs.

Assessed Attacker Value: 5
Assessed Attacker Value: 5Assessed Attacker Value: 4

10 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

10 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

0.967 High

EPSS

Percentile

99.5%

Related for AKB:9ADF44D2-FA0D-4643-8B97-8B46983B6917