CVE-2017-1556 json
IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a re…
published 2017-09-13 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-10572
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 73%
- public exploits
- 0
- none known
Summary
IBM API Connect 5.0.7.0 through 5.0.7.2 is vulnerable to a regular expression attack that could allow an authenticated attacker to use a regex and cause the system to slow or hang. IBM X-Force ID: 131546.
Exploit prediction
1.46% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:N/A:P |
Affected products
- IBM API Connect
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
ibm.com
/support/docview.wss?uid=swg22008315
vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/131546
vdb-entry, vendor-advisory
-
securityfocus.com
/bid/100831
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2017-1556
- NVD CVE-2017-1556
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.