CVE-2021-35211

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.

CVSS v3 9.0 CRITICAL
CVSS v2.0 10.0 HIGH

9.0^/10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 2.2 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

10.0^/10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 10.0 / Impact : 10.0

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit	Patch Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211	Patch Vendor Advisory
https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit	Patch Vendor Advisory
https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:solarwinds:serv-u::::::::
	cpe:2.3:a:solarwinds:serv-u:15.2.3:-::::::
	cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1::::::

History

21 Nov 2024, 06:12

Type	Values Removed	Values Added
CVSS	v2 : ~~10.0~~ v3 : ~~10.0~~	v2 : 10.0 v3 : 9.0
References	~~() https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit - Patch, Vendor Advisory~~	() https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit - Patch, Vendor Advisory
References	~~() https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 - Patch, Vendor Advisory~~	() https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 - Patch, Vendor Advisory

08 Aug 2023, 14:22

Type	Values Removed	Values Added
CWE	~~NVD-CWE-noinfo~~	CWE-787

12 Jul 2022, 17:42

Type	Values Removed	Values Added
CWE	~~CWE-668~~	NVD-CWE-noinfo

26 Jul 2021, 15:39

Type	Values Removed	Values Added
References	~~(MISC) https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 -~~	(MISC) https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35211 - Patch, Vendor Advisory
References	~~(MISC) https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit -~~	(MISC) https://www.microsoft.com/security/blog/2021/07/13/microsoft-discovers-threat-actor-targeting-solarwinds-serv-u-software-with-0-day-exploit - Patch, Vendor Advisory
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : 10.0 v3 : 10.0
CWE		CWE-668
CPE		cpe:2.3:a:solarwinds:serv-u:15.2.3:-:::::: cpe:2.3:a:solarwinds:serv-u:::::::: cpe:2.3:a:solarwinds:serv-u:15.2.3:hotfix1::::::

14 Jul 2021, 21:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2021-07-14 21:15

Updated : 2025-03-12 20:58

NVD link : CVE-2021-35211

Mitre link : CVE-2021-35211

CVE.ORG link : CVE-2021-35211

JSON object : View

Products Affected

solarwinds

serv-u

CWE

CWE-787

Out-of-bounds Write

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9.0 /10