CVE-2017-17837

Deltaspike vulnerability

CVSS

6.1

EPSS

4.5%

EPSS pct

90th

Exploited

No known

The Apache DeltaSpike-JSF 1.8.0 module has a XSS injection leak in the windowId handling. The default size of the windowId get's cut off after 10 characters (by default), so the impact might be limited. A fix got applied and released in Apache deltaspike-1.8.1.

Affected vendor

Apache

Affected product

Deltaspike

CVSS vector

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

Weakness type (CWE)

CWE-79 — Cross-Site Scripting (XSS)

Published

2018-01-04

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, user interaction. Successful exploitation leads to low impact to confidentiality, low impact to integrity.

Its EPSS score of 4.5% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 90% of all scored CVEs.

Check your external exposure to CVE-2017-17837

Confirm whether Apache Deltaspike is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2017-17837.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2017-17837

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2017-17837 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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