Open Redirect in Apache HTTP Server
CVE-2019-10098
In Apache HTTP server 2.4.0 to 2.4.39, Redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an unexpected URL within the request URL.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.740 (99.5th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.740 · newest: 0.740 · change: 0.000
Affected products
- Apache HTTP Server
- Apache HTTP Server — versions 2.4.0 to 2.4.39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2020/04/01/4 (mailing-list)
- lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc58… (mailing-list)
- lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4… (mailing-list)
- lists.apache.org/thread.html/r5d12ffc80685b0df1d6801e68000a7707dd694fe32e4f221d… (mailing-list)
- www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- www.oracle.com/security-alerts/cpujan2020.html
- httpd.apache.org/security/vulnerabilities_24.html (Vendor Advisory)
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af… (mailing-list)
- lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede08… (mailing-list)
Frequently asked questions
- What is CVE-2019-10098?
- CVE-2019-10098 is a medium-severity vulnerability in Apache HTTP Server, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 6.1/10. Published 2019-09-25.
- How severe is CVE-2019-10098?
- Medium severity. CVSS v3 base score is 6.1 out of 10.
- Is CVE-2019-10098 known to be exploited?
- 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.