Can you explain this vulnerability to me?

CVE-2026-2110 is a security vulnerability in the Tasin1025 SwiftBuy application, specifically in the /login.php file. It is classified as an improper restriction of excessive authentication attempts (CWE-307). This means the application does not limit the number of login attempts, allowing attackers to perform unlimited authentication tries remotely without needing to authenticate first.

Because of this flaw, attackers can carry out brute-force attacks by repeatedly trying different passwords on the login page, potentially gaining unauthorized access.

The vulnerability is difficult to exploit but feasible remotely, and a proof-of-concept exploit is publicly available.

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How can this vulnerability impact me? :

This vulnerability can allow attackers to perform brute-force attacks on the login page, potentially leading to unauthorized access to user or administrative accounts.

Successful exploitation can result in account takeover, privilege escalation, unauthorized data access, and denial of service (DoS).

For business owners, this can cause reputational damage, disruption of market operations by modifying user orders or verification information, and potential loss of customer trust.

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How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:

The provided information does not explicitly address the impact of this vulnerability on compliance with common standards and regulations such as GDPR or HIPAA.

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How can this vulnerability be detected on my network or system? Can you suggest some commands?

[{'type': 'paragraph', 'content': 'This vulnerability can be detected by monitoring for excessive authentication attempts on the /login.php endpoint of the Tasin1025 SwiftBuy application. Since the flaw allows unlimited login attempts without rate limiting or lockout, unusually high numbers of login requests from the same IP or targeting the same user account may indicate exploitation attempts.'}, {'type': 'paragraph', 'content': 'Attackers may use automated tools to perform brute-force attacks, so detection can involve analyzing web server logs for repeated failed login attempts.'}, {'type': 'paragraph', 'content': 'Additionally, Google dorking with queries like "inurl:login.php" can be used by attackers to find vulnerable targets, so monitoring for suspicious external scanning activity may help.'}, {'type': 'paragraph', 'content': 'Suggested commands to detect this on a Linux system include:'}, {'type': 'list_item', 'content': 'Using grep to find repeated login attempts in web server logs: grep "/login.php" /var/log/apache2/access.log | awk \'{print $1}\' | sort | uniq -c | sort -nr'}, {'type': 'list_item', 'content': 'Using fail2ban or similar tools to monitor and block IPs with excessive login attempts.'}, {'type': 'list_item', 'content': 'Using tools like tcpdump or Wireshark to capture and analyze HTTP POST requests to /login.php for abnormal frequency.'}] [1, 3]

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What immediate steps should I take to mitigate this vulnerability?

Immediate mitigation steps include implementing restrictions on the number of authentication attempts allowed per user or IP address to prevent brute-force attacks.

Adding CAPTCHA verification to the login process can help block automated login attempts.

Since no official patches or countermeasures have been published by the vendor, consider replacing the affected component or product with a more secure alternative.

Monitoring and blocking suspicious IP addresses using tools like fail2ban can provide temporary protection.

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