CVE-2020-11985 - CVE House
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Status published Medium CVE-2020-11985

IP address spoofing when proxying using mod_remoteip and mod_rewrite For...

Vulnerability Description

IP address spoofing when proxying using mod_remoteip and mod_rewrite For configurations using proxying with mod_remoteip and certain mod_rewrite rules, an attacker could spoof their IP address for logging and PHP scripts. Note this issue was fixed in Apache HTTP Server 2.4.24 but was retrospectively allocated a low severity CVE in 2020.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

Apache HTTP Server
Vulnerable Versions:
2.4.1 to 2.4.23

Timeline

Official Publish: August 7th, 2020
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Weaknesses (CWE)

CWE-345

MITRE ATT&CK TTPs

T1557 Adversary-in-the-Middle
Credential Access
T1071 Application Layer Protocol
Command and Control
T1552 Unsecured Credentials
Credential Access
T1190 Exploit Public-Facing Application
Initial Access
T1041 Exfiltration Over C2 Channel
Exfiltration