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Fencer Vulns
high 7.5

CVE-2020-11593 json

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801.

published 2020-04-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3943

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 62%
public exploits
0
none known

Summary

An issue was discovered in CIPPlanner CIPAce 9.1 Build 2019092801. An unauthenticated attacker can make an HTTP POST request with injected HTML data that is later leveraged to send emails from a customer trusted email address.

Patch / fix

  • cipplanner cipace 9.1

Exploit prediction

0.99% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • criticalstart.com https://www.criticalstart.com/vulnerabilities-discovered-in-cipace-enterprise-platform/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.