UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC…
Priority MEDIUM 49CWE-170Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
UltraVNC revision 1211 has multiple improper null termination vulnerabilities in VNC server code, which result in out-of-bound data being accessed by remote users. This attack appears to be exploitable via network connectivity. These vulnerabilities have been fixed in revision 1212.
Why it matters now
EPSS 0.0397 90th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Kaspersky Lab | UltraVNC | 1.2.2.3 | — | No fix listed | CNA |
- UltraVNC VendorKaspersky Lab Affected 1.2.2.3 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* | before 1.2.2.3 | Vulnerable | uvnc |
| cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p:*:*:*:*:*:*:*:* | before 4.8 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc:*:*:*:*:*:*:*:* | before 14.00 | Vulnerable | Siemens |
| cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc:*:*:*:*:*:*:*:* | up to 12.01 | Vulnerable | Siemens |
- cpe:2.3:a:uvnc:ultravnc:*:*:*:*:*:*:*:* Versions before 1.2.2.3 Vulnerable ·uvnc
- cpe:2.3:a:siemens:sinumerik_access_mymachine\/p2p:*:*:*:*:*:*:*:* Versions before 4.8 Vulnerable ·Siemens
- cpe:2.3:a:siemens:sinumerik_pcu_base_win10_software\/ipc:*:*:*:*:*:*:*:* Versions before 14.00 Vulnerable ·Siemens
- cpe:2.3:a:siemens:sinumerik_pcu_base_win7_software\/ipc:*:*:*:*:*:*:*:* Versions up to 12.01 Vulnerable ·Siemens
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-8275
- 2026-10-03 Alias added: GHSA-hhw7-p92g-vp7v
References
Advisory 3
More Kaspersky Lab vulnerabilities
- TI-2005-02970 Heap-based buffer overflow in Kaspersky Antivirus (KAV) 5.0 and Kaspersky Personal… CVSS 2.0HIGH 10.0
- TI-2004-00844 McAfee Anti-Virus Engine DATS drivers before 4398 released on Oct 13th 2004 and DATS… CVSS 2.0HIGH 7.5
- TI-2007-00432 Heap-based buffer overflow in the arj.ppl module in the OnDemand Scanner in Kaspersky… CVSS 2.0HIGH 10.0
- TI-2019-05946 Heap-based buffer overflow in Kaspersky Lab UltraVNC CVSS 3.1CRITICAL 9.8
- TI-2019-05945 Heap-based buffer overflow in Kaspersky Lab UltraVNC CVSS 3.1CRITICAL 9.8
- TI-2019-05943 Heap-based buffer overflow in Kaspersky Lab UltraVNC CVSS 3.1CRITICAL 9.8
Sources
- CVE-2019-8275 · CVE Program
- CVE-2019-8275 · NVD
- FIRST EPSS
- GHSA-hhw7-p92g-vp7v · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences