CVE-2012-4603: citrix receiver Improper Input Validation
CVSS: 9.3v2.0HighModified
Published 10-01-2020Last modified 06-08-2024
Vulnerability summary
CVE-2012-4603 is a high (CVSS 9.3) Improper Input Validation vulnerability in citrix receiver. EPSS estimates a 6.94% chance of exploitation in the next 30 days, higher than 94% of scored vulnerabilities.
CVSS score
9.3/10
010
High · v2.0 (NVD)EPSS score
6.94%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 10-01-2020PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Citrix XenApp Online Plug-in for Windows 12.1 and earlier, and Citrix Receiver for Windows 3.2 and earlier could allow remote attackers to execute arbitrary code by convincing a target to open a specially crafted file from an SMB or WebDAV fileserver.
CVSS metrics
2 scores · 1 source · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesSingle source
High 9.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
6.94%
Chance of exploitation in the next 30 days
Percentile
94%
Versus all other CVEs
30-day change
0.00 pp
From 6.94% on 19-09-2026
19-09-202619-10-2026
EPSS score6.94%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Citrix2 products
- receiver≤ 3.2
- xenapp_online≤ 12.1
1 vendor · 2 products