What is CVE-2017-12620?

CVE-2017-12620 is a critical-severity vulnerability in Apache Opennlp, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2017-10-03.

How severe is CVE-2017-12620?

Critical severity. CVSS v3 base score is 9.8 out of 10.

XXE in Apache Opennlp

CVE-2017-12620

When loading models or dictionaries that contain XML it is possible to perform an XXE attack, since Apache OpenNLP is a library, this only affects applications that load models or dictionaries from untrusted sources. The versions 1.5.0 to 1.5.3, 1.6.0, 1.7.0 to 1.7.2, 1.8.0 to 1.8.1 of Apache OpenNLP are affected.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.030 (86.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Apache Opennlp — versions 1.5.0, 1.5.1, 1.5.2
Apache Software Foundation Opennlp — versions 1.5.0 to 1.5.3, 1.7.0 to 1.7.2, 1.8.0 to 1.8.1

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

security@apache.org (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2017-12620?: CVE-2017-12620 is a critical-severity vulnerability in Apache Opennlp, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 9.8/10. Published 2017-10-03.
How severe is CVE-2017-12620?: Critical severity. CVSS v3 base score is 9.8 out of 10.