CVE-2025-63700VulnerabilityPublished 20 Nov 2025Updated 23 Dec 2025

CVE-2025-63700

Source CVE Database V5

Not known to be exploited · CVSS 7.5 High.

Data as of 27 Dec 2025, 10:18 UTC

CVSS 3.1 base score

7.5High

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

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
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: Low: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
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: None: There is no loss of integrity within 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 20 Nov 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 2026-10-25.

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

AI-suggested

Given the absence of specific affected products or patches, European organizations should implement proactive measures including: 1) Conducting comprehensive network segmentation to isolate critical systems and limit exposure to external networks. 2) Enhancing monitoring and logging to detect unusual data access patterns or exfiltration attempts, leveraging advanced threat detection tools and anomaly detection. 3) Applying strict access controls and network filtering to restrict inbound traffic to only necessary services and trusted sources. 4) Preparing incident response plans focused on data breach scenarios, including rapid containment and forensic analysis. 5) Staying informed through trusted vulnerability intelligence sources for updates on affected products and available patches. 6) Once patches or vendor advisories are released, prioritize timely deployment following thorough testing. 7) Educating security teams about the vulnerability's characteristics to improve detection and response capabilities. These targeted actions go beyond generic advice by focusing on containment, detection, and readiness in the absence of immediate patching options.

Impact

For European organizations, the primary impact of CVE-2025-63700 is the potential unauthorized disclosure of sensitive data, which can lead to privacy violations, regulatory non-compliance (e.g., GDPR), reputational damage, and potential financial losses. Critical sectors such as finance, healthcare, government, and telecommunications are particularly vulnerable due to the sensitive nature of their data and the regulatory environment in Europe. The vulnerability's network accessibility and lack of required privileges mean that attackers can exploit it remotely, increasing the attack surface for organizations with internet-facing services. The absence of integrity or availability impact reduces the risk of service disruption but does not diminish the severity of data confidentiality breaches. European entities must consider the implications of data exposure on cross-border data flows and compliance with EU data protection laws. Additionally, the potential for espionage or targeted attacks against strategic infrastructure heightens the threat level in the region.

Summary

CVE-2025-63700 is a vulnerability published on November 20, 2025, characterized by a CVSS vector indicating network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:N), and no user interaction (UI:N). The scope is unchanged (S:U), with a high impact on confidentiality (C:H), but no impact on integrity (I:N) or availability (A:N). This means an attacker can remotely exploit the vulnerability without authentication or user interaction to gain unauthorized access to sensitive information. The lack of affected versions or products in the provided data suggests that the vulnerability might be newly discovered or under embargo pending further details. No known exploits are currently reported in the wild, indicating that active exploitation has not yet been observed. The vulnerability's technical details are limited, but the CVSS vector implies it is a critical information disclosure flaw that could lead to significant data breaches if exploited. Since the attack complexity is low and no privileges or user interaction are required, the vulnerability is easily exploitable remotely, increasing the risk profile for exposed systems. Organizations should anticipate the release of patches or advisories and prepare to implement them promptly once available.

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