CVE-2001-1099 Vulnerability Analysis & Exploit Details

CVE-2001-1099
Vulnerability Scoring

5.0
/10
Medium Risk

While not critical, CVE-2001-1099 could compromise confidentiality or integrity in certain conditions.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: None
    No authentication is required for exploitation.
  • Scope:
    Impact is confined to the initially vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2001-1099 Details

Status: Deferred

Last updated: 🕐 03 Apr 2025, 01:03 UTC
Originally published on: 🕓 07 Sep 2001, 04:00 UTC

Time between publication and last update: 8608 days

CVSS Release: version 2

CVE-2001-1099 Vulnerability Summary

CVE-2001-1099: The default configuration of Norton AntiVirus for Microsoft Exchange 2000 2.x allows remote attackers to identify the recipient's INBOX file path by sending an email with an attachment containing malicious content, which includes the path in the rejection notice.

Assessing the Risk of CVE-2001-1099

Access Complexity Graph

The exploitability of CVE-2001-1099 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2001-1099

The vulnerability CVE-2001-1099 is highly exploitable since it requires low complexity and no authentication.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2001-1099, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2001-1099, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2001-1099 does not compromise confidentiality.
  • Integrity: None
    CVE-2001-1099 does not impact data integrity.
  • Availability: None
    CVE-2001-1099 does not affect system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.168% (probability of exploit)

EPSS Percentile: 55.06% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 44.94% of others.

CVE-2001-1099 References

External References

CWE Common Weakness Enumeration

CWE-434

CAPEC Common Attack Pattern Enumeration and Classification

  • Accessing Functionality Not Properly Constrained by ACLs CAPEC-1 In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.

Vulnerable Configurations

  • cpe:2.3:a:symantec:norton_antivirus:2.5:*:*:*:*:*:*:*
    cpe:2.3:a:symantec:norton_antivirus:2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*
    cpe:2.3:a:microsoft:exchange_server:2000:-:*:*:*:*:*:*
  • cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:*
    cpe:2.3:a:microsoft:exchange_server:2000:sp1:*:*:*:*:*:*

Protect Your Infrastructure against CVE-2001-1099: Combat Critical CVE Threats

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