CVE-2020-8209Xenmobile Server Path Traversal
Improper access control in Citrix XenMobile Server 10.12 before RP2, Citrix XenMobile Server 10.11 before RP4, Citrix XenMobile Server 10.10 before RP6 and Citrix XenMobile Server before 10.9 RP5 and leads to the ability to read arbitrary files.
Published Aug 17, 2020 · Updated Nov 21, 2024
Key Facts
Patch immediately- CVE-2020-8209 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Xenmobile Server (Citrix).
- It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023. No public exploit code is known.
- EPSS estimates a 44% probability of exploitation in the next 30 days.
- Fixed versions are available, including Xenmobile Server <=10.8.0, Xenmobile Server 10.8.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
44%
Higher than 98.7% of all scored CVEs
Exploit maturity
Exploited (KEV)
ATLAS score
51/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Oct 14, 2023
1153 days after publication
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Exploited (KEV)
Public exploit code
0
Proof-of-concept links
In-the-wild evidence
10
Reports of active use
Advisories And Exploit References
Description
Improper access control in Citrix XenMobile Server 10.12 before RP2, Citrix XenMobile Server 10.11 before RP4, Citrix XenMobile Server 10.10 before RP6 and Citrix XenMobile Server before 10.9 RP5 and leads to the ability to read arbitrary files.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CIRCL KEV | Oct 14, 2023 | n/a | Not reported |
| Industry KEV feed | Oct 14, 2023 | n/a | Not reported |
Affected Products
19 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Xenmobile ServerCitrix | 10.10.0, 10.10.0-rolling_patch1, 10.10.0-rolling_patch2, 10.10.0-rolling_patch3, 10.10.0-rolling_patch4, 10.10.0-rolling_patch5, 10.11.0, 10.11.0-rolling_patch1 | 10.8.0 |
Patched Releases
Xenmobile Server
<=10.8.0
Timeline
Publicly disclosed
Aug 17, 2020
Added to CIRCL KEV
Oct 14, 2023
Added to Industry KEV feed
Oct 14, 2023
Last updated
Nov 21, 2024
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- advisorysupport.citrix.com · CTX277457
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Improper access control in Citrix XenMobile Server 10.12 before RP2, Citrix XenMobile Server 10.11 before RP4, Citrix XenMobile Server 10.10 before RP6 and Citrix XenMobile Server before 10.9 RP5 and leads to the ability to read arbitrary files.
Affected: Xenmobile Server (Citrix) versions 10.10.0, 10.10.0-rolling_patch1, 10.10.0-rolling_patch2, 10.10.0-rolling_patch3, 10.10.0-rolling_patch4, 10.10.0-rolling_patch5, 10.11.0, 10.11.0-rolling_patch1. The full list is in the CVE brief.
It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Oct 14, 2023.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
No public exploit code is known.
Fixed versions are available, including Xenmobile Server <=10.8.0, Xenmobile Server 10.8.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2020-8209 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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