SolarWinds Serv-U Managed File Transfer up to 15.2.3 HF1 on Windows buffer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.1$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in SolarWinds Serv-U Managed File Transfer up to 15.2.3 HF1 on Windows. This affects an unknown part. Such manipulation leads to buffer overflow. This vulnerability is traded as CVE-2021-35211. The attack may be launched remotely. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue.

Detailsinfo

A vulnerability was found in SolarWinds Serv-U Managed File Transfer up to 15.2.3 HF1 on Windows (File Transfer Software) and classified as critical. Affected by this issue is an unknown part. The manipulation with an unknown input leads to a buffer overflow vulnerability. Using CWE to declare the problem leads to CWE-120. The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow. Impacted is confidentiality, integrity, and availability.

The weakness was shared 07/15/2021. The advisory is shared for download at microsoft.com. This vulnerability is handled as CVE-2021-35211. Technical details are unknown but an exploit is available.

It is declared as attacked. This issue was added on 11/03/2021 to the CISA Known Exploited Vulnerabilities Catalog with a due date of 11/17/2021:

Apply updates per vendor instructions.

Applying the patch 15.2.3 HF2 is able to eliminate this problem.

The vulnerability is also documented in the vulnerability database at Zero-Day.cz (648). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.2
VulDB Meta Temp Score: 8.1

VulDB Base Score: 5.6
VulDB Temp Score: 5.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CNA Base Score: 9.0
CNA Vector ([email protected]): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Buffer overflow
CWE: CWE-120 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Attacked

EPSS Score: 🔍
EPSS Percentile: 🔍

KEV Added: 🔍
KEV Due: 🔍
KEV Remediation: 🔍
KEV Ransomware: 🔍
KEV Notice: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Zero-Day.cz: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 15.2.3 HF2

Timelineinfo

06/22/2021 🔍
07/15/2021 +23 days 🔍
07/15/2021 +0 days 🔍
02/05/2025 +1301 days 🔍

Sourcesinfo

Vendor: solarwinds.com

Advisory: microsoft.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-35211 (🔍)
GCVE (CVE): GCVE-0-2021-35211
GCVE (VulDB): GCVE-100-178664
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 07/15/2021 07:55
Updated: 02/05/2025 08:16
Changes: 07/15/2021 07:55 (40), 07/18/2021 14:21 (2), 07/18/2021 14:25 (1), 04/21/2024 20:30 (26), 06/26/2024 06:22 (2), 09/15/2024 13:07 (1), 02/05/2025 08:16 (28)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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