How severe is CVE-2025-33099?

CVE-2025-33099 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-33099 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-33099?

CVE-2025-33099 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-33099?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-33099 have an EU (EUVD) identifier?

Yes. CVE-2025-33099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27843.

When was CVE-2025-33099 published?

CVE-2025-33099 was published on 2025-09-01 and last updated on 2026-06-17.

CVE-2025-33099

CVE-2025-33099 is a medium-severity vulnerability in Ibm Concert with a CVSS 3.x base score of 5.9. 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-295.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
EPSS exploit prediction: 0% (7th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-27843
Weakness: CWE-295
Affected product: Ibm Concert
Published: 2025-09-01
Last modified: 2026-06-17

Description

IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.

Frequently asked questions

What is CVE-2025-33099?: IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to perform unauthorized actions using man in the middle techniques due to improper certificate validation.
How severe is CVE-2025-33099?: CVE-2025-33099 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-33099 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (7th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-33099?: CVE-2025-33099 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-33099?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-33099 have an EU (EUVD) identifier?: Yes. CVE-2025-33099 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-27843.
When was CVE-2025-33099 published?: CVE-2025-33099 was published on 2025-09-01 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7243699

Affected products (1)

cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*

More vulnerabilities in Ibm Concert

CVE-2025-33015 — High (CVSS 8.8): IBM Concert 1.0.0 through 2.1.0 is vulnerable to malicious file upload by not validating the content of the file…
CVE-2025-12771 — High (CVSS 7.8): IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A…
CVE-2025-64645 — High (CVSS 7.7): IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a…
CVE-2024-52360 — High (CVSS 7.6): IBM Concert Software 1.0.0, 1.0.1, 1.0.2, and 1.0.2.1 is vulnerable to SQL injection. A remote attacker could send…
CVE-2025-33090 — High (CVSS 7.5): IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to cause a denial of service using a specially…
CVE-2025-33088 — High (CVSS 7.4): IBM Concert 1.0.0 through 2.1.0 could allow a local user with specific knowledge about the system's architecture to…

All CVEs affecting Ibm Concert →

Other CWE-295 (Improper Certificate Validation) vulnerabilities

CVE-2026-4370 — Critical (CVSS 10.0): A vulnerability was identified in Juju from version 3.2.0 until 3.6.19 and from version 4.0 until 4.0.4, where the…
CVE-2026-30836 — Critical (CVSS 10.0): Step CA is an online certificate authority for secure, automated certificate management for DevOps. Versions 0.30.0-rc6…
CVE-2025-68121 — Critical (CVSS 10.0): During session resumption in crypto/tls, if the underlying Config has its ClientCAs or RootCAs fields mutated between…
CVE-2022-20703 — Critical (CVSS 10.0): Multiple vulnerabilities in Cisco Small Business RV160, RV260, RV340, and RV345 Series Routers could allow an attacker…
CVE-2021-1471 — Critical (CVSS 9.9): Multiple vulnerabilities in Cisco Jabber for Windows, Cisco Jabber for MacOS, and Cisco Jabber for mobile platforms…
CVE-2026-20184 — Critical (CVSS 9.8): A vulnerability in the integration of single sign-on (SSO) with Control Hub in Cisco Webex Services could have allowed…

Browse all CWE-295 (Improper Certificate Validation) vulnerabilities →