Medium severity6.1NVD Advisory· Published Apr 2, 2020· Updated Jun 17, 2026
CVE-2020-1927
CVE-2020-1927
Description
In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
292.4.0 to 2.4.41+ 1 more
- (no CPE)range: 2.4.0 to 2.4.41
- (no CPE)range: 2.4.0 to 2.4.41
- osv-coords27 versionspkg:bitnami/apachepkg:rpm/almalinux/mod_mdpkg:rpm/opensuse/apache2&distro=openSUSE%20Leap%2015.1pkg:rpm/suse/apache2&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/apache2&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP4pkg:rpm/suse/apache2&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/apache2&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208
>= 2.4.0, < 2.4.42+ 26 more
- (no CPE)range: >= 2.4.0, < 2.4.42
- (no CPE)range: < 1:2.0.8-8.module_el8.5.0+2609+b30d9eec
- (no CPE)range: < 2.4.33-lp151.8.12.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.33-3.30.1
- (no CPE)range: < 2.4.33-3.30.1
- (no CPE)range: < 2.4.33-3.30.1
- (no CPE)range: < 2.4.16-20.29.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.33-3.30.1
- (no CPE)range: < 2.4.16-20.29.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.33-3.30.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
- (no CPE)range: < 2.4.23-29.54.1
Patches
Vulnerability mechanics
References
27- www.oracle.com/security-alerts/cpuApr2021.htmlnvdPatchThird Party Advisory
- www.oracle.com/security-alerts/cpujul2020.htmlnvdPatchThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.htmlnvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2020/04/03/1nvdMailing ListThird Party Advisory
- www.openwall.com/lists/oss-security/2020/04/04/1nvdMailing ListThird Party Advisory
- httpd.apache.org/security/vulnerabilities_24.htmlnvdVendor Advisory
- lists.debian.org/debian-lts-announce/2021/07/msg00006.htmlnvdMailing ListThird Party Advisory
- security.netapp.com/advisory/ntap-20200413-0002/nvdThird Party Advisory
- usn.ubuntu.com/4458-1/nvdThird Party Advisory
- www.debian.org/security/2020/dsa-4757nvdThird Party Advisory
- lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r10b853ea87dd150b0e76fda3f8254dfdb23dd05fa55596405b58478e%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r1719675306dfbeaceff3dc63ccad3de2d5615919ca3c13276948b9ac%40%3Cdev.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r52a52fd60a258f5999a8fa5424b30d9fd795885f9ff4828d889cd201%40%3Cdev.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r6a4146bf3d1645af2880f8b7a4fd8afd696d5fd4a3ae272f49f5dc84%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r70ba652b79ba224b2cbc0a183078b3a49df783b419903e3dcf4d78c7%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r731d43caece41d78d8c6304641a02a369fd78300e7ffaf566b06bc59%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rdf3e5d0a5f5c3d90d6013bccc6c4d5af59cf1f8c8dea5d9a283d13ce%40%3Ccvs.httpd.apache.org%3Envd
- lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3Envd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A2RN46PRBJE7E7OPD4YZX5SVWV5QKGV5/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HYVYE2ZERFXDV6RMKK3I5SDSDQLPSEIQ/nvd
- www.oracle.com/security-alerts/cpujul2022.htmlnvd
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