ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-1721

IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.

Published Dec 26, 2025 · catalog updated Dec 26, 2025 · IBM Concert

Last checked Nov 2, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-1721. EPSS is 0.33%. Act only if a listed version of IBM Concert is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Medium5.9
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.33%
Remediation
Vendor / distro source
Affected products
vendor IBM Concert 1.0.0 ≤2.1.0

IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor IBM Concert 1.0.0 ≤2.1.01.0.0 ≤2.1.0

How to fix CVE-2025-1721

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-1721. EPSS is 0.33%. Act only if a listed version of IBM Concert is installed.

Which versions are affected?

Compare what you have installed with IBM Concert 1.0.0 ≤2.1.0 1.0.0 ≤2.1.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.33%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Dec 26, 2025 · EUVD

    Detected

    IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.

  2. Dec 26, 2025 · EUVD

    Updated

    IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.

Sources

  • CVE.orgVulnerability recordCVE-2025-1721

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-1721

    30-day exploitation probability 0.33%

    first.org
  • EUVDVulnerability recordEUVD-2025-205434

    IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information from allocated memory due to improper clearing of heap memory.

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 2, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 2, 2026
  • CVE.orgNov 2, 2026
  • EUVDNov 1, 2026