What is CVE-2020-28031?

CVE-2020-28031 is a medium-severity vulnerability in Eramba, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2020-11-02.

How severe is CVE-2020-28031?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Is CVE-2020-28031 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Improper input validation in Eramba

CVE-2020-28031

eramba through c2.8.1 allows HTTP Host header injection with (for example) resultant wkhtml2pdf PDF printing by authenticated users.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2020-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (48.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Eramba — versions 2.8.1

Weakness classification (CWE)

Public proof-of-concept exploits

nvn1729/advisories

References

discussions.eramba.org/t/bug-injectable-host-header-security-issue/1719 (Vendor Advisory)
www.eramba.org/releases (Release Notes, Vendor Advisory)

Frequently asked questions

What is CVE-2020-28031?: CVE-2020-28031 is a medium-severity vulnerability in Eramba, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2020-11-02.
How severe is CVE-2020-28031?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2020-28031 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.