CVE Vulnerabilities

CVE-2016-9981

Session Fixation

Published: Aug 02, 2017 | Modified: Apr 20, 2025
CVSS 3.x
8.1
HIGH
Source:
NVD
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.x
6.8 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
RedHat/V2
RedHat/V3
Ubuntu
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IBM AppScan Enterprise Edition 9.0 contains an unspecified vulnerability that could allow an attacker to hijack a valid users session. IBM X-Force ID: 120257

Weakness

Authenticating a user, or otherwise establishing a new user session, without invalidating any existing session identifier gives an attacker the opportunity to steal authenticated sessions.

Affected Software

NameVendorStart VersionEnd Version
Security_appscanIbm9.0.0.0 (including)9.0.0.0 (including)
Security_appscanIbm9.0.0.1 (including)9.0.0.1 (including)
Security_appscanIbm9.0.1.0 (including)9.0.1.0 (including)
Security_appscanIbm9.0.1.1 (including)9.0.1.1 (including)
Security_appscanIbm9.0.2.0 (including)9.0.2.0 (including)
Security_appscanIbm9.0.2.1 (including)9.0.2.1 (including)
Security_appscanIbm9.0.3.0 (including)9.0.3.0 (including)
Security_appscanIbm9.0.3.1 (including)9.0.3.1 (including)
Security_appscanIbm9.0.3.4 (including)9.0.3.4 (including)
Security_appscanIbm9.0.3.5 (including)9.0.3.5 (including)

Extended Description

Such a scenario is commonly observed when:

In the generic exploit of session fixation vulnerabilities, an attacker creates a new session on a web application and records the associated session identifier. The attacker then causes the victim to associate, and possibly authenticate, against the server using that session identifier, giving the attacker access to the user’s account through the active session.

Potential Mitigations

References