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NVD / CVE Program· CNA SolarWinds

CVE-2024-28988: SolarWinds Web Help Desk Java Deserialization Remote Code Execution Vulnerability

CriticalCVSS 9.8 · v3.1—Proof of concept No fix recorded

Noroxi assessment

Priority: Plan (action score 52/100)

  • A ready-made attack module is public (Nuclei); exploiting it takes no special expertise.
  • Public proof-of-concept code exists (Exploit-DB / GitHub); there is no record of exploitation in the wild.
  • Probability of exploitation in the next 30 days: 41.7% (FIRST EPSS); higher than 98.7% of all records.
  • Anyone who can reach it over the internet can trigger it. No account or password is required. No user action is required. No special conditions are required; it is repeatable.
  • According to the record, no fixed version is available yet.
  • Mentioned 2 times in Turkish national cyber security advisories (siberguvenlik.gov.tr).

Add it to your regular patch cycle. Update when a fix is released; follow the vendor's advisory.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

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. This vulnerability was found by the ZDI team after researching a previous vulnerability and providing this report. The ZDI team was able to discover an unauthenticated attack during their research.  We recommend all Web Help Desk customers apply the patch, which is now available.  We thank Trend Micro Zero Day Initiative (ZDI) for its ongoing partnership in coordinating with SolarWinds on responsible disclosure of this and other potential vulnerabilities.

Published
Sep 1, 2025
Updated
Jun 17, 2026
EPSS
41.7% · 98th percentile

Report tools

JSON

Action score

52

Plan

Add it to your regular patch cycle.

CVSS
39 / 40 · 9.8 / 10
CISA KEV
0 / 30 · Not listed
EPSS
13 / 30 · 41.7%

CISA SSVC decision

Exploitation
none
Automatable
no
Technical impact
total

Vulnrichment: CISA's decision-tree inputs.

CNA vs NVD score

NVD
—
CNA · SolarWinds
9.8
NVD has not scored this yet; the score shown is the CNA’s.

The score given by the assigning authority versus NVD’s independent score. A gap means the severity is contested.

Get told when this record changes

  • Not in KEV: no record of exploitation in the wild
  • Proof of concept exists, no weaponized module
  • No fixed version yet

If any of these changes, we'll tell you in the daily email digest.

Follow CVE-2024-28988

When you'll hear from us

  • when it enters CISA KEV
  • when exploit code appears or is weaponized
  • when the record is updated (including a fixed version)
  • when EPSS rises 20 points in a week

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

VendorProduct
solarwindsweb help desk

Versions reported by the vendor

Affected version ranges reported by the assigning authority (SolarWinds). Independent of NVD's CPE analysis and usually ahead of it.

  • SolarWinds Web Help Desk

    • 12.8.3 HF 2 and previous versionsaffected

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

  • solarwinds web help deskup to 12.8.2 inclusive
  • solarwinds web help desk12.8.3

Same product

solarwinds: all records

Other highest-scoring records for the same primary product.

  • CVE-2025-26399SolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation VulnerabilityKEV
    96Now
  • CVE-2025-40551SolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution VulnerabilityKEV
    94Now
  • CVE-2024-28987SolarWinds Web Help Desk Hardcoded Credential VulnerabilityKEV
    94Now

Published before and after this one in the same product

  • ← EarlierCVE-2024-28989Feb 11, 2025 · SolarWinds Web Help Desk Cryptographic Key Management Vulnerability
    22Monitor
  • ← EarlierCVE-2025-26400Jul 29, 2025 · SolarWinds Web Help Desk XML External Entity Injection (XXE) Vulnerability
    26Monitor
  • Later →CVE-2025-40536Jan 28, 2026 · SolarWinds Web Help Desk Security Control Bypass VulnerabilityKEV
    91Now

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

No fix version is recorded for this entry. Check the references for vendor advisories.

Exploit status

Proof of concept available

A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.

Evidence

  • Nuclei detection template ×1

Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.

Public exploit evidence
SourceKindDate
Nuclei detection templateNuclei template CVE-2024-28986 —

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

  • CVE-2025-2639922 days apartSolarWinds Web Help Desk Deserialization of Untrusted Data Privilege Escalation VulnerabilityKEV
    96Now
  • CVE-2025-40551149 days apartSolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution VulnerabilityKEV
    94Now
  • CVE-2024-28986384 days apartSolarWinds Web Help Desk Java Deserialization Remote Code Execution VulnerabilityKEV
    94Now
  • CVE-2025-40553149 days apartSolarWinds Web Help Desk Deserialization of Untrusted Data Remote Code Execution Vulnerability
    59Plan

Bug bounty scope

The product’s vendor appears in a public program. Matched by name; verify the scope text in the program.

National notice (Türkiye Cybersecurity Directorate / USOM)

Official security notices citing this record; remediation advice is on the agency's page.

All national notices →

Not on record for this CVE: patch commit or PR link.

Technical details

Attack conditions

  • Anyone who can reach it over the internet can trigger it.
  • No account or password is required.
  • No user action is required.
  • No special conditions are required; it is repeatable.

If successful

Confidentiality
high · data can be read
Integrity
high · data or configuration can be modified
Availability
high · the service can be disrupted
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality impact
High
Integrity impact
High
Availability impact
High

Weakness class (CWE)

CWE-502 · Deserialization of Untrusted Data

CVSS vector

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

nvd-secondary

Root cause

Data received over the network is deserialized into the language’s native object format without verifying its source. Code paths inside the object can be triggered during deserialization.

The bug in code

The whole CWE-502 class

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

Vulnerable

python
payload = sock.recv(65536)job = pickle.loads(payload)

Fixed

python
payload = sock.recv(65536)if not hmac.compare_digest(sign(payload), header_sig):    raise PermissionError("invalid signature")job = JobSchema.validate(json.loads(payload))

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

ATT&CK techniques

—

References

Show all references (1 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records