Improper input validation in NetApp Clustered Data Ontap
CVE-2021-21705
In PHP versions 7.3.x below 7.3.29, 7.4.x below 7.4.21 and 8.0.x below 8.0.8, when using URL validation functionality via filter_var() function with FILTER_VALIDATE_URL parameter, an URL with invalid password field can be accepted as valid. This can lead to the code incorrectly parsing the URL and potentially leading to other security implications - like contacting a wrong server or making a wrong access decision.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.021 (80.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- NetApp Clustered Data Ontap
- Oracle Sd-Wan Aware — versions 8.2
- PHP
- PHP Group — versions 7.3.x, 7.4.x, 8.0.X
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.php.net/bug.php (Exploit, Patch, Issue Tracking, Vendor Advisory)
- www.oracle.com/security-alerts/cpujan2022.html (Patch, Vendor Advisory)
- security.netapp.com/advisory/ntap-20211029-0006/ (Third Party Advisory)
- security.gentoo.org/glsa/202209-20 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-21705?
- CVE-2021-21705 is a medium-severity vulnerability in NetApp Clustered Data Ontap, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2021-10-04.
- How severe is CVE-2021-21705?
- Medium severity. CVSS v3 base score is 4.3 out of 10.
- Is CVE-2021-21705 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.