Vulnerability in Apache Struts

CVE-2011-3923

Apache Struts before 2.3.1.2 allows remote attackers to bypass security protections in the ParameterInterceptor class and execute arbitrary commands.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.895 (99.8th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2011-3923: held from 0.895 to 0.895.

EPSS over last 30 days · oldest: 0.895 · newest: 0.895 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2011-3923?
CVE-2011-3923 is a critical-severity vulnerability in Apache Struts, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 9.8/10. Published 2019-11-01.
How severe is CVE-2011-3923?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2011-3923 known to be exploited?
18 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.