How severe is CVE-2021-39066?

CVE-2021-39066 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-39066 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-39066?

CVE-2021-39066 affects Ibm Financial Transaction Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-39066?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2021-39066 published?

CVE-2021-39066 was published on 2022-02-02 and last updated on 2026-06-17.

CVE-2021-39066

CVE-2021-39066 is a high-severity vulnerability in Ibm Financial Transaction Manager with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-384.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-384
Affected product: Ibm Financial Transaction Manager
Published: 2022-02-02
Last modified: 2026-06-17

Description

IBM Financial Transaction Manager 3.2.4 does not invalidate session any existing session identifier gives an attacker the opportunity to steal authenticated sessions. IBM X-Force ID: 215040.

Frequently asked questions

What is CVE-2021-39066?: IBM Financial Transaction Manager 3.2.4 does not invalidate session any existing session identifier gives an attacker the opportunity to steal authenticated sessions. IBM X-Force ID: 215040.
How severe is CVE-2021-39066?: CVE-2021-39066 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-39066 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39066?: CVE-2021-39066 affects Ibm Financial Transaction Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39066?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-39066 published?: CVE-2021-39066 was published on 2022-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:financial_transaction_manager:3.2.4:*:*:*:*:*:*:*

More vulnerabilities in Ibm Financial Transaction Manager

CVE-2019-4575 — Critical (CVSS 9.8): IBM Financial Transaction Manager for Digital Payments for Multi-Platform 3.2.0 through 3.2.9 is vulnerable to SQL…
CVE-2019-4032 — Critical (CVSS 9.8): IBM Financial Transaction Manager for Digital Payments for Multi-Platform 3.1.0 is vulnerable to SQL injection. A…
CVE-2020-5003 — Critical (CVSS 9.1): IBM Financial Transaction Manager 3.2.4 is vulnerable to an XML External Entity Injection (XXE) attack when processing…
CVE-2021-39044 — High (CVSS 8.8): IBM Financial Transaction Manager 3.2.4 is vulnerable to cross-site request forgery which could allow an attacker to…
CVE-2017-1606 — High (CVSS 8.8): IBM Financial Transaction Manager (FTM) for Multi-Platform (MP) 3.0.0.0 through 3.0.0.7 is vulnerable to SQL injection.…
CVE-2016-0272 — High (CVSS 8.0): Cross-site request forgery (CSRF) vulnerability in IBM Financial Transaction Manager (FTM) for ACH Services for…

All CVEs affecting Ibm Financial Transaction Manager →

Other CWE-384 (Session Fixation) vulnerabilities

CVE-2024-11317 — Critical (CVSS 10.0): Session Fixation vulnerabilities allow an attacker to fix a users session identifier before login providing an…
CVE-2024-38513 — Critical (CVSS 10.0): Fiber is an Express-inspired web framework written in Go A vulnerability present in versions prior to 2.52.5 is a…
CVE-2021-20151 — Critical (CVSS 10.0): Trendnet AC2600 TEW-827DRU version 2.08B01 contains a flaw in the session management for the device. The router's…
CVE-2025-67446 — Critical (CVSS 9.8): Improper Authentication (Authentication Bypass) exists in Neterbit NW-431F Router 20241014-IR03 and before. The router…
CVE-2026-25101 — Critical (CVSS 9.8): Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same…
CVE-2026-24352 — Critical (CVSS 9.8): PluXml CMS allows a user's session identifier to be set before authentication. The value of this session ID stays the…

Browse all CWE-384 (Session Fixation) vulnerabilities →