CVE-2017-1556

mediumpriority · track · 27EPSS 0.015 · 73 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.46% (73rd) EPSS

CVSS 4 · medium

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

6.5

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v3.06.5mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 3.6

v3.06mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USprimary

affected products (6)

Products and version ranges known to be affected.

IBM API Connect≤ 5.0.7.1enisa_euvdEU
IBM API Connect≤ 5.0.7.0enisa_euvdEU
IBM API Connect≤ 5.0.7.2enisa_euvdEU
ibm api connect= 5.0.7.0nvdUScpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*
ibm api connect= 5.0.7.1nvdUScpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*
ibm api connect= 5.0.7.2nvdUScpe:2.3:a:ibm:api_connect:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2017-09-13modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

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