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UK Cyber Defence
VulnerabilityAnalyzed

CVE-2024-28988

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.

CRITICAL 9.8EPSS 41.7%

Does this matter?

EPSS puts the probability of exploitation in the next 30 days at 41.7%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.

Description

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.

CVSS 3.1
9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
41.74% probability · 99th percentile
Public exploits
None in Exploit-DB
CISA KEV
Not listed
Weakness
CWE-502
Affected
solarwinds/web help desk
Source
psirt@solarwinds.com
EPSS trend
0%23%45%1 November 2026: 41.74%1 November 20261 November 2026

EPSS 41.7% since 1 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.

Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.