VulnerabilityPublished 18 Jan 2024Updated 2 Jun 2025

CVE-2023-6184: Cloud Software Group Citrix Session Recording · Improper Control of Dynamically-Managed Code Resources

Affects Cloud Software Group Citrix Session RecordingSource CVE Database V5

Not known to be exploited · 46% EPSS · CVSS 5.0 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score

5.0Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 46.6% chance of exploitation in 30 days – higher than 98% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Attack Vector: Network
Attack Complexity: High
Privileges Required: High
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: Low
Availability: None

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, up to and including the entire Internet. Such a vulnerability is often termed 'remotely exploitable' and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: High: A successful attack depends on conditions beyond the attacker's control. That is, a successful attack cannot be accomplished at will, but requires the attacker to invest in some measurable amount of effort in preparation or execution against the vulnerable component before a successful attack can be expected. For example, a successful attack may require an attacker to: gather knowledge about the environment in which the vulnerable target/component exists; prepare the target environment to improve exploit reliability; or inject themselves into the logical network path between the target and the resource requested by the victim in order to read and/or modify network communications (e.g., a man in the middle attack).
Privileges Required: High: The attacker is authorized with (i.e., requires) privileges that provide significant (e.g., administrative) control over the vulnerable component that could affect component-wide settings and files.
User Interaction: None: The vulnerable system can be exploited without any interaction from any user.
Scope: Unchanged: An exploited vulnerability can only affect resources managed by the same security authority. In this case, the vulnerable component and the impacted component are either the same, or both are managed by the same security authority.
Confidentiality: High: There is total loss of confidentiality, resulting in all resources within the impacted component being divulged to the attacker. Alternatively, access to only some restricted information is obtained, but the disclosed information presents a direct, serious impact.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: None: There is no impact to availability within the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 18 Jan 2024
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC or the CVSS exploit maturity reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

AI-suggested

European organizations should prioritize the following mitigation steps: 1) Conduct an immediate audit of Citrix Session Recording deployments to identify affected versions (2311 Current Release, 1912 LTSR, 2203 LTSR). 2) Restrict administrative and network access to the Session Recording interface to trusted personnel only, implementing strict role-based access controls (RBAC) and network segmentation to limit exposure. 3) Monitor logs and network traffic for unusual activity indicative of attempted exploitation, focusing on high-privilege account usage. 4) Apply any forthcoming patches or updates from Cloud Software Group as soon as they become available; in the interim, consider temporary workarounds such as disabling or limiting session recording features if feasible. 5) Enhance internal security awareness and training to reduce insider threat risks, emphasizing the importance of safeguarding privileged credentials. 6) Employ web application firewalls (WAFs) with custom rules to detect and block potential XSS payloads targeting the Session Recording interface. 7) Review and update incident response plans to include scenarios involving session recording compromise to ensure rapid containment and remediation.

Description

Cross SiteScripting vulnerability in Citrix Session Recording allows attacker to perform Cross Site Scripting

Impact

For European organizations, the impact of CVE-2023-6184 could be significant, especially for those relying on Citrix Session Recording for compliance, auditing, or security monitoring. The confidentiality breach risk is critical because session recordings often contain sensitive information such as user credentials, personally identifiable information (PII), or proprietary business data. Exploitation could lead to unauthorized disclosure of this data, violating GDPR and other data protection regulations prevalent in Europe, resulting in legal and financial repercussions. The requirement for high privileges and no user interaction reduces the likelihood of widespread exploitation but does not eliminate risk in environments where insider threats or compromised administrative accounts exist. Additionally, organizations in regulated sectors such as finance, healthcare, and government are particularly vulnerable due to the sensitive nature of the recorded sessions and the strict compliance requirements. The absence of known exploits in the wild provides a window for proactive mitigation, but the medium severity rating should not lead to complacency given the potential data confidentiality impact.

CWE-913Improper Control of Dynamically-Managed Code Resources (opens in a new tab)
Class weaknessOWASP Top 10 A01:2021: Broken Access Control (opens in a new tab)
The product does not properly restrict reading from or writing to dynamically-managed code resources such as variables, objects, classes, attributes, functions, or executable instructions or statements.
Implementation · Input Validation
For any externally-influenced input, check the input against an allowlist of acceptable values.
Implementation · Architecture and Design · Refactoring
Refactor the code so that it does not need to be dynamically managed.
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

support.citrix.com/article/CTX583930/citrix-session-recording-security-bulletin-for-cve20236184 (opens in a new tab)

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Exploitation evidence

What to do

Description

AI analysisMachine-generated, updated 3 Jul 2025, 17:14 UTC

WeaknessesCWE-913

Technical details

References

Community reviews

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