Vulnerability Details : CVE-2020-11467
An issue was discovered in Deskpro before 2019.8.0. This product enables administrators to modify the helpdesk interface by editing /portal/api/style/edit-theme-set/template-sources theme templates, and uses TWIG as its template engine. While direct access to self and _self variables was not permitted, one could abuse the accessible variables in one's context to reach a native unserialize function via the code parameter. There, on could pass a crafted payload to trigger a set of POP gadgets in order to achieve remote code execution.
Vulnerability category: Execute code
Products affected by CVE-2020-11467
- cpe:2.3:a:deskpro:deskpro:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-11467
1.30%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-11467
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:P |
8.0
|
6.4
|
NIST | |
9.1
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H |
2.3
|
6.0
|
MITRE | |
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2020-11467
-
The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-11467
-
https://support.deskpro.com/en/news/posts/deskpro-security-update-2019-09
Deskpro Security Update (2019-09) - News / News - Deskpro SupportRelease Notes;Vendor Advisory
-
https://blog.redforce.io/attacking-helpdesks-part-1-rce-chain-on-deskpro/
Attacking HelpDesks Part 1: RCE Chain on DeskPro, with Bitdefender as a Case Study – RedforceExploit;Third Party Advisory
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https://support.deskpro.com/en/news/posts/deskpro-v2019-8-0-released-security-update
Deskpro v2019.8.0 Released (Security Update) - News / Release Announcements - Deskpro SupportRelease Notes;Vendor Advisory
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