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CVE

CVE-2020-1927

In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential m

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 unexpected URL within the request URL.

MEDIUM · CVSS 6.1 EPSS 0.04949
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-601URL Redirection to Untrusted Site ('Open Redirect')
CWE-601URL Redirection to Untrusted Site ('Open Redirect')
▤

Affected Products & Versions

14
apache http server>= 2.4.0 and <= 2.4.41
fedoraproject fedoraall versions
debian linuxall versions
canonical ubuntu linuxall versions
opensuse leapall versions
netapp oncommand unified manager core packageall versions
broadcom brocade fabric operating systemall versions
oracle communications element managerall versions
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@apache.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD02 Apr 2020 · 12:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

10
rhsaRHSA-2020:4751Moderate
rhsaRHSA-2020:3958Moderate
usnUSN-4458-1
rhsaRHSA-2020:2263Moderate
suse-csafSUSE-SU-2020:1272-1
🔗

References & Sources

27
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00002.htmlMailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/03/1Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/04/1Mailing ListThird Party Advisory
https://httpd.apache.org/security/vulnerabilities_24.htmlVendor Advisory
https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/r09bb998baee74a2c316446bd1a41ae7f8d7049d09d9ff991471e8775%40%3Ccvs.httpd.apache.org%3E
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