What is CVE-2021-28973?

CVE-2021-28973 is a medium-severity vulnerability in Perforce Helix Alm, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 4.9/10. Published 2021-04-13.

How severe is CVE-2021-28973?

Medium severity. CVSS v3 base score is 4.9 out of 10.

XXE in Perforce Helix Alm

CVE-2021-28973

The XML Import functionality of the Administration console in Perforce Helix ALM 2020.3.1 Build 22 accepts XML input data that is parsed by insecurely configured software components, leading to XXE attacks.

Vulnerability class: XXE (XML External Entity)

EPSS: 0.009 (55.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

Perforce Helix_alm — versions 2020.3.1
N/a — versions n/a

Weakness classification (CWE)

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

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-28973?: CVE-2021-28973 is a medium-severity vulnerability in Perforce Helix Alm, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 4.9/10. Published 2021-04-13.
How severe is CVE-2021-28973?: Medium severity. CVSS v3 base score is 4.9 out of 10.