Citrix Gateway 11.1/12.0/12.1 Cache Cache Poisoning request smuggling ⚔ [Disputed]

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Citrix Gateway 11.1/12.0/12.1. This affects an unknown function of the component Cache Handler. The manipulation results in request smuggling (Cache Poisoning). This vulnerability is reported as CVE-2020-10112. The attack can be launched remotely. No exploit exists. The presence of this vulnerability remains uncertain at this time.

Detailsinfo

A vulnerability was found in Citrix Gateway 11.1/12.0/12.1 (Connectivity Software). It has been classified as critical. Affected is an unknown part of the component Cache Handler. The manipulation with an unknown input leads to a request smuggling vulnerability (Cache Poisoning). CWE is classifying the issue as CWE-444. The product acts as an intermediary HTTP agent (such as a proxy or firewall) in the data flow between two entities such as a client and server, but it does not interpret malformed HTTP requests or responses in ways that are consistent with how the messages will be processed by those entities that are at the ultimate destination. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Citrix Gateway 11.1, 12.0, and 12.1 allows Cache Poisoning.

The weakness was disclosed 03/06/2020. This vulnerability is traded as CVE-2020-10112 since 03/05/2020. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 08/04/2024).

The real existence of this vulnerability is still doubted at the moment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-150971 and VDB-150970 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.4
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Name: Cache Poisoning
Class: Request smuggling / Cache Poisoning
CWE: CWE-444
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

03/05/2020 🔍
03/06/2020 +1 days 🔍
03/07/2020 +1 days 🔍
05/11/2025 +1891 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: 156660
Status: Not defined
Disputed: 🔍

CVE: CVE-2020-10112 (🔍)
GCVE (CVE): GCVE-0-2020-10112
GCVE (VulDB): GCVE-100-150972
See also: 🔍

Entryinfo

Created: 03/07/2020 10:09
Updated: 05/11/2025 02:14
Changes: 03/07/2020 10:09 (37), 03/07/2020 10:14 (18), 04/09/2024 19:56 (18), 04/09/2024 20:03 (1), 08/04/2024 13:28 (3), 05/11/2025 02:14 (4)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

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