CVE-2011-3315Unified Communications Manager Path Traversal
Directory traversal vulnerability in Cisco Unified Communications Manager (CUCM) 5.x and 6.x before 6.1(5)SU2, 7.x before 7.1(5b)SU2, and 8.x before 8.0(3), and Cisco Unified Contact Center Express (aka Unified CCX or UCCX) and Cisco Unified IP Interactive Voice Response…
Published Oct 27, 2011 · Updated Apr 28, 2026
Key Facts
Patch immediately- CVE-2011-3315 is a high-severity vulnerability (CVSS 7.8 v2) affecting Unified Communications Manager (Cisco), Unified Ip Ivr (Cisco), Unified Ip Interactive Voice Response (Cisco).
- It is exploited in the wild, listed in Industry KEV feed since Jul 31, 2025. Public exploit code is available.
- EPSS estimates a 26% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v2
7.8
AV:N/AC:L/Au:N/C:C/I:N/A:N
EPSS (30-day exploit likelihood)
26%
Higher than 97.9% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
37/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Jul 31, 2025
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
2
Reports of active use
Advisories And Exploit References
Description
Directory traversal vulnerability in Cisco Unified Communications Manager (CUCM) 5.x and 6.x before 6.1(5)SU2, 7.x before 7.1(5b)SU2, and 8.x before 8.0(3), and Cisco Unified Contact Center Express (aka Unified CCX or UCCX) and Cisco Unified IP Interactive Voice Response (Unified IP-IVR) before 6.0(1)SR1ES8, 7.0(x) before 7.0(2)ES1, 8.0(x) through 8.0(2)SU3, and 8.5(x) before 8.5(1)SU2, allows remote attackers to read arbitrary files via a crafted URL, aka Bug IDs CSCth09343 and CSCts44049.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Jul 31, 2025 | n/a | Not reported |
Affected Products
69 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Unified Communications ManagerCisco | 5.0, 5.1, 5.1\(1\), 5.1\(1b\), 5.1\(1c\), 5.1.2, 5.1\(2\), 5.1\(2a\) | n/a |
| Unified Ip IvrCisco | 6.0\(1\), 7.0\(1\), 7.0\(2\), 8.0\(1\), 8.0\(2\), 8.5\(1\) | n/a |
| Unified Ip Interactive Voice ResponseCisco | See advisory | n/a |
Timeline
Publicly disclosed
Oct 27, 2011
Added to Industry KEV feed
Jul 31, 2025
Last updated
Apr 28, 2026
Weakness Type
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
FAQ
Common Questions.
Directory traversal vulnerability in Cisco Unified Communications Manager (CUCM) 5.x and 6.x before 6.1(5)SU2, 7.x before 7.1(5b)SU2, and 8.x before 8.0(3), and Cisco Unified Contact Center Express (aka Unified CCX or UCCX) and Cisco Unified IP Interactive Voice Response (Unified IP-IVR) before 6.0(1)SR1ES8, 7.0(x) be…
Affected: Unified Communications Manager (Cisco) versions 5.0, 5.1, 5.1\(1\), 5.1\(1b\), 5.1\(1c\), 5.1.2, 5.1\(2\), 5.1\(2a\); Unified Ip Ivr (Cisco) versions 6.0\(1\), 7.0\(1\), 7.0\(2\), 8.0\(1\), 8.0\(2\), 8.5\(1\); Unified Ip Interactive Voice Response (Cisco). The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Jul 31, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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