Vulnerability in Rapid7 Appspider Pro

CVE-2025-36857

Rapid7 Appspider Pro versions below 7.5.021, suffer from a broken access control vulnerability in the application's configuration file loading mechanism, whereby an attacker can place files in directories belonging to other users or projects. Affected versions allow standard users to add custom configuration files. These files, which are loaded in alphabetical order, can override or change the settings of the original configuration files, creating a security vulnerability. This issue stems from improper directory access management. This vulnerability was remediated in version 7.5.021 of the product.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.001 (2.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.0% 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-2025-36857: held from 0.001 to 0.001.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-36857?
CVE-2025-36857 is a low-severity vulnerability in Rapid7 Appspider Pro, classified under Incorrect Default Permissions. CVSS score: 3.3/10. Published 2025-09-25.
How severe is CVE-2025-36857?
Low severity. CVSS v3 base score is 3.3 out of 10.
Is CVE-2025-36857 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.