Vulnerability in Zend Zendto

CVE-2020-8984

lib/NSSDropbox.php in ZendTo prior to 5.22-2 Beta allowed IP address spoofing via the X-Forwarded-For header.

EPSS: 0.005 (38.5th 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:N/I:H/A:N.

Affected products

Zend Zendto — versions 3.10, 3.11, 3.12
N/a — versions n/a

Weakness classification (CWE)

CWE-346 — Origin Validation Error

Public proof-of-concept exploits

mrjameshamilton/log4shell-detector

References

cve@mitre.org (x_refsource_MISC, Release Notes, Vendor Advisory)
cve@mitre.org (Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2020-8984?: CVE-2020-8984 is a high-severity vulnerability in Zend Zendto, classified under Origin Validation Error. CVSS score: 7.5/10. Published 2020-03-24.
How severe is CVE-2020-8984?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2020-8984 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.