CVE-2020-4640 json
Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in…
published 2021-02-04 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-25887
- cvss
- 3.4
- version 3.0, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
Certain IBM API Connect 10.0.0.0 through 10.0.1.0 and 2018.4.1.0 through 2018.4.1.13 configurations can result in sensitive information in the URL fragment identifiers. This information can be cached in the intermediate nodes like proxy servers, cdn, logging platforms, etc. An attacker can make use of this information to perform attacks by impersonating a user. IBM X-Force ID: 185510.
Exploit prediction
0.35% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.0 | 3.4 | CVSS:3.0/PR:L/AC:H/UI:R/S:U/I:L/A:N/C:L/AV:A/RC:C/RL:O/E:U |
| NVD | 3.1 | 4.1 | CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N |
| CNA | 3.0 | 3.4 | CVSS:3.0/AV:A/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:N |
| NVD | 2.0 | 3.8 | AV:A/AC:M/Au:S/C:P/I:P/A:N |
Affected products
- IBM API Connect
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
ibm.com
/support/pages/node/6410486
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/185510
vdb-entry, vendor-advisory
Sources
- CVE List CVE-2020-4640
- NVD CVE-2020-4640
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