VulnerabilityPublished 20 Jan 2026

CVE-2025-36065: 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, 10:12 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 8% 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–
Mavencom.ibm/sterling-connect-express-adapter`pkg:maven/com.ibm/sterling-connect-express-adapter`Other threats	Affected =5.2.0.00	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:*:*:*:*:*:*:*

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Implement strict session management policies that enforce session invalidation upon browser closure or after a short inactivity timeout, even if the software does not do so by default.
Configure web application firewalls (WAFs) or reverse proxies to detect and block suspicious session reuse or anomalies in session tokens.
Require multi-factor authentication (MFA) for accessing the Sterling B2B Integrator interface to reduce the risk of session hijacking.
Regularly audit and monitor session logs for unusual activity, such as concurrent sessions from different IP addresses or geographic locations.
Educate users to log out explicitly rather than relying on browser closure to terminate sessions.
Isolate Sterling B2B Integrator access to trusted networks and restrict administrative access via VPN or zero-trust network access solutions.
Engage with IBM support for any available patches or updates and plan for timely application once released.
Consider deploying endpoint security controls to prevent session token theft from client machines.
Review and harden session cookie attributes (e.g., Secure, HttpOnly, SameSite) to reduce the risk of token theft via cross-site scripting or network interception.

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 browser closure which could allow an authenticated user to impersonate another user on the system.

Impact

For European organizations, this vulnerability poses a risk of unauthorized access and impersonation within critical B2B integration systems, potentially leading to data breaches, transaction manipulation, and disruption of supply chain communications. Confidentiality is at risk as attackers could access sensitive business data; integrity could be compromised through unauthorized transaction modifications; and availability might be affected if session misuse leads to denial of service or operational disruptions. The medium severity score reflects that while exploitation requires some privileges, no user interaction is needed, and the attack can be performed remotely over the network. Organizations relying on IBM Sterling Connect:Express Adapter for their B2B workflows may face operational and reputational damage if attackers leverage this flaw. Additionally, regulatory compliance risks exist under GDPR if personal or sensitive data is exposed due to session hijacking. The lack of official patches means organizations must rely on interim mitigations to reduce exposure.

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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