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Fencer Intel
high 7.6

CVE-2020-11466 json

An issue was discovered in Deskpro before 2019.8.0.

published 6y ago modified 4mo ago also EUVD-2020-3820

cvss
7.6
version 3.0, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 69%
public exploits
0
none known

Summary

An issue was discovered in Deskpro before 2019.8.0. The /api/tickets endpoint failed to properly validate a user's privilege, allowing an attacker to retrieve arbitrary information about all helpdesk tickets stored in database with numerous filters. This leaked sensitive information to unauthorized parties. Additionally, it leaked ticket authentication code, making it possible to make changes to a ticket.

Patch / fix

  • deskpro deskpro 2019.8.0

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Exploit prediction

1.23% chance of exploitation in the next 30 days, higher than 69% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • blog.redforce.io https://blog.redforce.io/attacking-helpdesks-part-1-rce-chain-on-deskpro/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.0 7.6 CVSS:3.0/AC:L/AV:N/A:L/C:H/I:L/PR:L/S:U/UI:N
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 3.0 7.6 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N

Classification

Weakness
  • CWE-269 Improper Privilege Management

References

Sources

Fencer Intel 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.