Auth bypass in Apache HTTP Server
CVE-2020-13938
Apache HTTP Server versions 2.4.0 to 2.4.46 Unprivileged local users can stop httpd on Windows
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.119 (96.0th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.119 · newest: 0.119 · change: 0.000
Affected products
- Apache HTTP Server
- Apache Software Foundation HTTP Server — versions 2.4.46, 2.4.43, 2.4.41
- Mcafee Epolicy Orchestrator — versions 5.10.0
- Microsoft Windows
- NetApp Cloud Backup
Weakness classification (CWE)
Public proof-of-concept exploits
References
- httpd.apache.org/security/vulnerabilities_24.html (Release Notes, Vendor Advisory)
- lists.apache.org/thread.html/re026d3da9d7824bd93b9f871c0fdda978d960c7e62d8c43cb… (Mailing List, Release Notes, Vendor Advisory)
- lists.apache.org/thread.html/r5fdc4fbbc7ddb816c843329a9accdcf284ade86e8d77b8c2a… (mailing-list)
- lists.apache.org/thread.html/r7f2b70b621651548f4b6f027552f1dd91705d7111bb5d15cd… (mailing-list)
- www.openwall.com/lists/oss-security/2021/06/10/3 (mailing-list, Mailing List, Third Party Advisory)
- security.netapp.com/advisory/ntap-20210702-0001/ (Third Party Advisory)
- kc.mcafee.com/corporate/index (Third Party Advisory)
Frequently asked questions
- What is CVE-2020-13938?
- CVE-2020-13938 is a medium-severity vulnerability in Apache HTTP Server, classified under Missing Authorization. CVSS score: 5.5/10. Published 2021-06-10.
- How severe is CVE-2020-13938?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-13938 known to be exploited?
- 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.