SolarWinds Web Help Desk up to 12.8.3 deserialization

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability identified as very critical has been detected in SolarWinds Web Help Desk up to 12.8.3. This affects an unknown part. This manipulation causes deserialization. This vulnerability is tracked as CVE-2024-28986. The attack is possible to be carried out remotely. Moreover, an exploit is present. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in SolarWinds Web Help Desk up to 12.8.3. It has been declared as very critical. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

SolarWinds Web Help Desk was found to be susceptible to a Java Deserialization Remote Code Execution vulnerability that, if exploited, would allow an attacker to run commands on the host machine. While it was reported as an unauthenticated vulnerability, SolarWinds has been unable to reproduce it without authentication after thorough testing.   However, out of an abundance of caution, we recommend all Web Help Desk customers apply the patch, which is now available.

It is possible to read the advisory at solarwinds.com. This vulnerability is known as CVE-2024-28986 since 03/13/2024. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are unknown but an exploit is available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 10/27/2025).

It is declared as attacked. The vulnerability scanner Nessus provides a plugin with the ID 265951 (SolarWinds Web Help Desk < 12.8.7 Hotfix 1 Unsafe Deserialization), which helps to determine the existence of the flaw in a target environment. The CISA Known Exploited Vulnerabilities Catalog lists this issue since 08/15/2024 with a due date of 09/05/2024:

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Upgrading to version 12.8.3 HF 1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (265951). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (SolarWinds): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
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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Nessus ID: 265951
Nessus Name: SolarWinds Web Help Desk < 12.8.7 Hotfix 1 Unsafe Deserialization

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Web Help Desk 12.8.3 HF 1

Timelineinfo

03/13/2024 🔍
08/14/2024 +153 days 🔍
08/14/2024 +0 days 🔍
10/27/2025 +439 days 🔍

Sourcesinfo

Vendor: solarwinds.com

Advisory: solarwinds.com
Status: Confirmed

CVE: CVE-2024-28986 (🔍)
GCVE (CVE): GCVE-0-2024-28986
GCVE (VulDB): GCVE-100-274507
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/14/2024 07:17
Updated: 10/27/2025 20:08
Changes: 08/14/2024 07:17 (62), 08/15/2024 08:58 (1), 08/15/2024 20:40 (13), 09/09/2024 22:30 (1), 09/27/2025 15:47 (2), 10/27/2025 20:08 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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