Cyber Resilience

CVE-2025-63529

Auth Bypass in Shridharshukl Blood Bank Management System 1.0

Public PoCAuth Bypass
Published
01 December 2025
Modified
02 December 2025
Patch / advisory
CVSS Score v3.1 6.1
Click a component to see what it means
Raw vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score 0.0038 30th percentile
Risk Priority 46 floored blend · peak EPSS

CVSS and EPSS are reproduced from their sources (NVD, FIRST EPSS). Risk Priority is our own derived reading, not an NVD score.

Summary

CVE-2025-63529 is a medium-severity Session Fixation (CWE-384) vulnerability in Shridharshukl Blood Bank Management System. Its CVSS base score is 6.1 (Medium).

Operationally, exploitation aligns with the MITRE ATT&CK technique Steal Web Session Cookie (T1539); ranked at the 30th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

The strongest mitigations our analysis identified map to SC-23 (Session Authenticity) and AC-12 (Session Termination) — see the control section below for these in your framework.

Deeper analysis AI-assisted summary

Synthesised by an AI model from the NVD description and linked references — a reading aid, not an authoritative source.

CVE-2025-63529 is a session fixation vulnerability in Blood Bank Management System 1.0, affecting the login.php component. It enables an attacker to set or predict a user's session identifier prior to authentication. When the victim logs in, the application continues using the attacker-supplied session ID rather than generating a new one.

A remote attacker with no privileges can exploit this vulnerability by tricking a user into visiting a malicious link or resource that includes the attacker's controlled session ID, such as via phishing. Once the victim authenticates, the attacker can hijack the session to gain unauthorized access to the victim's account. The issue carries a CVSS v3.1 base score of 6.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N) and is associated with CWE-384.

Mitigation details are available in related advisories and resources, including https://drive.google.com/file/d/12yeOXW_sN69QjsQtW0_k9AGqozi1s0di/view?usp=sharing, https://github.com/Shridharshukl/Blood-Bank-Management-System, and https://github.com/kiwi865/CVEs/blob/main/CVE-2025-63529.md.

OWASP Top 10 for Web (2025)

EU & UK References

Vulnerability Data

A session fixation vulnerability exists in Blood Bank Management System 1.0 in login.php that allows an attacker to set or predict a user's session identifier prior to authentication. When the victim logs in, the application continues to use the attacker-supplied…

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session ID rather than generating a new one, enabling the attacker to hijack the authenticated session and gain unauthorized access to the victim's account.

CWE(s)

Related Threats

MITRE ATT&CK Enterprise Techniques

T1539 Steal Web Session Cookie Credential Access
An adversary may steal web application or service session cookies and use them to gain access to web applications or Internet services as an authenticated user without needing credentials.
T1550.004 Web Session Cookie Lateral Movement
Adversaries can use stolen session cookies to authenticate to web applications and services.
T1606 Forge Web Credentials Credential Access
Adversaries may forge credential materials that can be used to gain access to web applications or Internet services.
Derived from this CVE’s CWE(s) via the direct CWE→ATT&CK cross-walk.

CVEs Like This One

CVE-2025-63527Same product: Shridharshukl Blood Bank Management System
CVE-2025-63528Same product: Shridharshukl Blood Bank Management System
CVE-2025-63534Same product: Shridharshukl Blood Bank Management System
CVE-2025-63533Same product: Shridharshukl Blood Bank Management System
CVE-2025-63526Same product: Shridharshukl Blood Bank Management System
CVE-2025-63531Same product: Shridharshukl Blood Bank Management System
CVE-2025-63525Same product: Shridharshukl Blood Bank Management System
CVE-2025-63535Same product: Shridharshukl Blood Bank Management System
CVE-2025-63532Same product: Shridharshukl Blood Bank Management System
CVE-2026-25101Shared CWE-384

Affected Assets

shridharshukl
blood bank management system
1.0

Mitigating Controls

Control response

Prevent
Stop it (NIST 800-53)

—

Detect
Catch it (NIST detect / respond)

—

Harden
Shrink the surface (DISA STIG)

—

Validate
Prove the fix (OWASP ASVS)
  • V4.4.4
  • V7.6.2

Mitigating Controls (NIST 800-53 r5) AI

Requires protection of session authenticity, which directly stops an attacker from using a stolen or fixed session identifier after authentication.

Limits the lifetime of any session (fixed or not), thereby reducing the window during which a stolen identifier remains usable.

Enforces that only properly authorized (i.e., freshly authenticated) sessions can access resources, making a pre-existing fixed session ID unusable.

Forces re-authentication under defined conditions, which should result in issuance of a fresh session identifier and invalidation of any prior one.

Mitigating Controls (NIST CSF 2.0) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→CSF cross-walk (authority under review) — links open the control.

PR.AA-03 mostly match
prevents

Proper authentication processes must invalidate prior session identifiers to prevent fixation attacks.

PR.AA-01 partial match
prevents

Managing identities and credentials includes handling session identifiers as temporary credentials that must be invalidated on re-authentication.

PR.AA-04 partial match
prevents

Protecting and verifying identity assertions encompasses secure handling and regeneration of session tokens.

PR.PS-01 partial match
prevents

Configuration baselines can enforce session regeneration and timeout settings that block fixation.

Mitigating Controls (ISO/IEC 27001:2022 Annex A) AI

Derived directly from the weakness types (CWEs) cited in the NVD entry via our AI-authored CWE→ISO cross-walk (authority under review) — links open the control.

finds

Security testing can detect session-fixation issues, yet the weakness absence does not replace comprehensive testing.

degrades

Access-control policy can mandate session invalidation on re-authentication, but does not prescribe the technical mechanism.

degrades

Identity-management procedures can require new session tokens after login, yet the control is broader than session handling.

degrades

Authentication-information rules can include session-token lifecycle requirements, but the control focuses on credential management.

prevents

Secure-SDLC requirement can embed session-fixation checks, but eliminating the weakness does not satisfy the full SDLC control.

prevents

Application-security requirements can specify session handling, yet the weakness fix alone does not meet the broader requirement.

References