Citrix Gateway 11.1/12.0/12.1 HTTP Requests request smuggling ⚔ [Disputed]

CVSS Meta Temp Score
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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.
7.5$5k-$25k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Citrix Gateway 11.1/12.0/12.1. The impacted element is an unknown function. The manipulation as part of HTTP Requests leads to request smuggling. This vulnerability is documented as CVE-2020-10111. The attack can be initiated remotely. There is not any exploit available. The existence of this vulnerability is still disputed at present.

Detailsinfo

A vulnerability was found in Citrix Gateway 11.1/12.0/12.1 (Connectivity Software) and classified as critical. This issue affects some unknown functionality. The manipulation as part of a HTTP Requests leads to a request smuggling vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity. The summary by CVE is:

Citrix Gateway 11.1, 12.0, and 12.1 has an Inconsistent Interpretation of HTTP Requests.

The weakness was released 03/06/2020. The identification of this vulnerability is CVE-2020-10111 since 03/05/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $5k-$25k at the moment (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.

Entries connected to this vulnerability are available at VDB-150972 and VDB-150970. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
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

Class: Request smuggling
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 🔍
08/04/2024 +1611 days 🔍

Sourcesinfo

Vendor: citrix.com

Advisory: 156661
Status: Not defined
Disputed: 🔍

CVE: CVE-2020-10111 (🔍)
GCVE (CVE): GCVE-0-2020-10111
GCVE (VulDB): GCVE-100-150971
See also: 🔍

Entryinfo

Created: 03/07/2020 10:08
Updated: 08/04/2024 13:28
Changes: 03/07/2020 10:08 (36), 03/07/2020 10:13 (18), 04/09/2024 19:41 (18), 04/09/2024 19:49 (1), 08/04/2024 13:28 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

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