CVE-2019-4256 json
IBM API Connect 5.0.0.0 through 5.0.8.6 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly s…
published 2019-05-29 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-13863
- cvss
- 5.9
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.3%
- EPSS 1.3% chance of exploitation in 30 days, percentile 71%
- public exploits
- 0
- none known
Summary
IBM API Connect 5.0.0.0 through 5.0.8.6 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 159944.
Patch / fix
Exploit prediction
1.32% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 5.9 | CVSS:3.0/UI:N/S:U/C:H/A:N/I:N/AC:H/AV:N/PR:N/RL:O/E:U/RC:C |
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| CNA | 3.0 | 5.9 | CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Affected products
- IBM API Connect
Classification
- Weakness
-
- CWE-326 Inadequate Encryption Strength
References
-
ibm.com
/support/docview.wss?uid=ibm10882968
patch, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/159944
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/108530
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-4256
- NVD CVE-2019-4256
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.