VulnerabilityPublished 20 Jan 2026

CVE-2025-36063: IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0 · Insufficient Session Expiration

Affects IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0Source CVE Database V5

Not known to be exploited · CVSS 6.3 Medium.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score

6.3Medium

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

EPSS: 0.1% chance of exploitation in 30 days – higher than 6% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

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

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

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: Low: The attacker is authorized with (i.e., requires) privileges that provide basic user capabilities that could normally affect only settings and files owned by a user. Alternatively, an attacker with Low privileges may have the ability to cause an impact only to non-sensitive resources.
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: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
Integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact on the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 20 Jan 2026
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 26 Oct 2026.

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 or the CVSS exploit maturity 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

Affected software

Product	Affected	Fixed in
IBMSterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0	Affected >=5.2.0.00 <=5.2.0.12	Fixed in–

CPE configurations (2)

cpe:2.3:a:ibm:sterling_connectexpress_adapter_for_sterling_b2b_integrator_520:5.2.0.00:*:*:*:*:*:*:*
cpe:2.3:a:ibm:sterling_connectexpress_adapter_for_sterling_b2b_integrator_520:5.2.0.12:*:*:*:*:*:*:*

AI-suggested

Immediate mitigation should focus on enforcing strict session management policies, including reducing session timeout durations and monitoring for anomalous session reuse patterns. Organizations should audit current session handling configurations and restrict session token lifetimes where possible. Network segmentation and access controls should limit authenticated user privileges to the minimum necessary to reduce the risk of insider threat exploitation. Multi-factor authentication (MFA) can help reduce the risk of compromised credentials leading to session hijacking. Until IBM releases official patches, consider implementing web application firewalls (WAFs) or intrusion detection systems (IDS) to detect and block suspicious session reuse attempts. Regularly review and revoke inactive or stale sessions manually if automated invalidation is not possible. Once IBM publishes patches or updates, prioritize their deployment in all affected environments. Additionally, educate users about the importance of proper logout procedures and session security to minimize risks from session persistence.

Description

IBM Sterling Connect:Express Adapter for Sterling B2B Integrator 5.2.0 5.2.0.00 through 5.2.0.12 does not invalidate session after a logout which could allow an authenticated user to impersonate another user on the system.

Impact

For European organizations, this vulnerability poses a risk to the confidentiality and integrity of sensitive business-to-business transactions, which are often critical for supply chain operations, financial exchanges, and regulatory compliance. Unauthorized session reuse could allow attackers to access confidential data, manipulate transaction records, or disrupt business processes, potentially leading to financial losses, reputational damage, and regulatory penalties under GDPR and other data protection laws. The availability impact, while rated lower, could manifest if attackers disrupt session management or cause denial of service through session abuse. Organizations in sectors such as manufacturing, finance, logistics, and telecommunications that rely heavily on IBM Sterling B2B Integrator for secure data exchange are particularly vulnerable. The medium severity rating indicates that while exploitation requires authenticated access, the potential damage from session impersonation is significant, especially in multi-user or shared environments. Given the cross-border nature of B2B transactions in Europe, the impact could cascade across multiple countries and partners.

CWE-613Insufficient Session Expiration (opens in a new tab)
Base weaknessOWASP Top 10 A07:2025: Authentication Failures (opens in a new tab)
According to WASC, "Insufficient Session Expiration is when a web site permits an attacker to reuse old session credentials or session IDs for authorization."
Implementation
Set sessions/credentials expiration date.
OWASP Cheat Sheets
OWASP Authentication (opens in a new tab)
OWASP ASVS 4.0.3
V2.8.1 (opens in a new tab)
V2.8.6 (opens in a new tab)
V3.6.1 (opens in a new tab)
From MITRE CWE, MITRE CAPEC and OWASP (Top 10, OpenCRE).

References

ibm.com/support/pages/node/7257244 (opens in a new tab)

Community reviews

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Exploitation evidence

What to do

Affected software

CPE configurations (2)

Description

AI analysisMachine-generated, updated 20 Jan 2026, 15:36 UTC

WeaknessesCWE-613

Technical details

References

Community reviews

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