Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-10111

Citrix Gateway 11.1, 12.0, and 12.1 has an Inconsistent Interpretation of HTTP Requests. NOTE: Citrix disputes the reported behavior as not a security issue. Citrix ADC only caches HTTP/1.1 traffic for performance optimization

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts integrity (unauthorized modifications), for affected systems. Impacting 1 product from citrix organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-03-06T21:15:15.187

Last Modified

2024-11-21T04:54:50.380

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-444

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Operating System	citrix	gateway_firmware	11.1	Yes
Operating System	citrix	gateway_firmware	12.0	Yes
Operating System	citrix	gateway_firmware	12.1	Yes

References

http://packetstormsecurity.com/files/156661/Citrix-Gateway-11.1-12.0-12.1-Cache-Bypass.html ([email protected])
http://seclists.org/fulldisclosure/2020/Mar/11 Exploit, Mailing List, Third Party Advisory ([email protected])
https://support.citrix.com/search Vendor Advisory ([email protected])
http://packetstormsecurity.com/files/156661/Citrix-Gateway-11.1-12.0-12.1-Cache-Bypass.html (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/fulldisclosure/2020/Mar/11 Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://support.citrix.com/search Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For citrix's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.