What is CVE-2021-41770?

CVE-2021-41770 is a high-severity vulnerability in Pingidentity Pingfederate, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2021-10-07.

How severe is CVE-2021-41770?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Pingidentity Pingfederate

CVE-2021-41770

Ping Identity PingFederate before 10.3.1 mishandles pre-parsing validation, leading to an XXE attack that can achieve XML file disclosure.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.010 (57.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Pingidentity Pingfederate
N/a — versions n/a

Weakness classification (CWE)

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

References

responsible-disclosure@pingidentity.com (x_refsource_MISC)
responsible-disclosure@pingidentity.com (x_refsource_MISC)

Frequently asked questions

What is CVE-2021-41770?: CVE-2021-41770 is a high-severity vulnerability in Pingidentity Pingfederate, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2021-10-07.
How severe is CVE-2021-41770?: High severity. CVSS v3 base score is 7.5 out of 10.