CVE-2017-4971
Insecure Default Initialization of Resource in Pivotal Spring Web Flow
5.9
MEDIUM
CVSS 3.1
EPSS 75.4%
Description
An issue was discovered in Pivotal Spring Web Flow through 2.4.4. Applications that do not change the value of the MvcViewFactoryCreator useSpringBinding property which is disabled by default (i.e., set to 'false') can be vulnerable to malicious EL expressions in view states that process form submissions but do not have a sub-element to declare explicit data binding property mappings.
How to fix CVE-2017-4971
To remediate CVE-2017-4971, upgrade the affected package to a fixed version below.
- —upgrade to 2.4.5 or later
Is CVE-2017-4971 being exploited?
Likely — EPSS is 75.4%, placing CVE-2017-4971 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 2.4.0, < 2.4.5
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |