CVE-2019-15679
9.8
CRITICAL · CVSS 3.1 · EPSS 11.8% (pctl 96)
Patch early
EPSS 11.8% — above the 10% action threshold.
Description
TightVNC code version 1.3.10 contains heap buffer overflow in InitialiseRFBConnection function, which can potentially result code execution. This attack appear to be exploitable via network connectivity.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 11.84% — more likely to be exploited than 96% of all CVEs |
| Weakness | CWE-122 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2019-10-29 |
| Last modified | 2026-06-17 |
Affected (1)
| Vendor | Product |
|---|---|
| tightvnc | tightvnc |
References
- https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
- https://www.openwall.com/lists/oss-security/2018/12/10/5
- https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
- https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
- https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
- https://www.openwall.com/lists/oss-security/2018/12/10/5
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