VulnerabilityPublished 15 Dec 2025

CVE-2023-53893: Ateme TITAN · Server-Side Request Forgery (SSRF)

Affects Ateme TITANSource CVE Database V5

Not known to be exploited · CVSS 5.3 Medium.

Data as of 26 Oct 2026, 08:30 UTC

CVSS 4.0 base score

5.3Medium

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

EPSS: 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: Low
User Interaction: None
Vulnerable system confidentiality: Low
Vulnerable system integrity: None
Vulnerable system availability: None
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

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

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, 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: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: Low: The attacker requires privileges that provide basic capabilities that are typically limited to settings and resources owned by a single low-privileged user. Alternatively, an attacker with Low privileges has the ability to access only non-sensitive resources.
User Interaction: None: The vulnerable system can be exploited without interaction from any human user, other than the attacker.
Vulnerable system confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the Vulnerable System.
Vulnerable system integrity: None: There is no loss of integrity within the Vulnerable System.
Vulnerable system availability: None: There is no impact to availability within the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 15 Dec 2025
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 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

Affected software

Product	Affected	Fixed in
Ateme TITAN	Affected =3.9.12.4	Fixed in–

AI-suggested

1. Immediately review and restrict the job callback URL parameter usage in Ateme TITAN to allow only trusted, whitelisted domains or IP addresses. 2. Implement strict input validation and sanitization on the callback URL to prevent injection of arbitrary destinations. 3. Enforce network segmentation and firewall rules to limit the server's ability to initiate outbound requests to sensitive internal resources. 4. Monitor and audit authenticated user activities related to job callback configurations to detect suspicious behavior. 5. Rotate and secure credentials used to access Ateme TITAN to reduce risk from compromised accounts. 6. Engage with Ateme support to obtain patches or updates addressing this vulnerability as they become available. 7. Consider deploying web application firewalls (WAF) or intrusion detection systems (IDS) tuned to detect SSRF patterns targeting the callback URL parameter. 8. Conduct internal penetration testing to verify the effectiveness of mitigations and identify any residual exposure.

Description

CVE-2023-53893 is an authenticated Server-Side Request Forgery (SSRF) vulnerability in Ateme TITAN version 3.9.12.4. It arises from improper validation of the job callback URL parameter, allowing attackers with valid credentials to coerce the application into making arbitrary HTTP, DNS, or file requests. This can enable attackers to bypass network restrictions and perform internal network reconnaissance such as file, service, and network enumeration. The vulnerability has a CVSS 4.0 base score of 5.3, indicating medium severity, with low complexity and no user interaction required. While no public exploits are currently known, the risk lies in the potential for lateral movement and information gathering within protected environments.

Impact

For European organizations, particularly those in broadcasting, media delivery, and content distribution sectors using Ateme TITAN, this vulnerability could lead to unauthorized internal network reconnaissance. Attackers could map internal services and resources, potentially identifying further attack vectors or sensitive information. This could compromise confidentiality and facilitate lateral movement within corporate or service provider networks. Given the authenticated nature of the exploit, insider threats or compromised credentials could be leveraged to exploit this vulnerability. The ability to bypass network restrictions undermines perimeter defenses and could expose critical infrastructure components. Although no direct remote code execution or denial of service is indicated, the SSRF can serve as a stepping stone for more severe attacks. Organizations with strict regulatory requirements around data protection (e.g., GDPR) must consider the risk of internal data exposure and the potential for compliance violations if internal systems are compromised.

Summary

CVE-2023-53893 is a server-side request forgery (SSRF) vulnerability identified in Ateme TITAN File version 3.9.12.4. The vulnerability exists due to insufficient validation of the job callback URL parameter, which is used by the application to notify external systems upon job completion. An authenticated attacker can exploit this flaw by supplying a crafted URL that forces the server to initiate requests to arbitrary destinations, including internal network resources or external systems. This can be leveraged to bypass network access controls, enabling attackers to perform internal reconnaissance such as enumerating files, services, and network hosts that would otherwise be inaccessible. The vulnerability requires authentication but no user interaction, and the attack complexity is low. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges required beyond authentication, and no user interaction. The impact primarily affects confidentiality by exposing internal network information and potentially integrity if further exploitation is chained. No known public exploits have been reported yet, but the vulnerability poses a risk in environments where Ateme TITAN is deployed, especially in media delivery pipelines where internal network segmentation is critical. The lack of a patch link suggests that remediation may require vendor engagement or configuration changes to restrict callback URLs or implement strict allowlisting.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 22 Dec 2025, 21:53 UTC

Technical details

References

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