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CVE-2019-8287

33
FAUCET Score

CVE-2019-8287 is a critical global buffer overflow vulnerability in TightVNC code version 1.3.10, specifically within the HandleCoRREBBP macro function. This flaw allows for potential remote code execution. With a CVSS score of 9.8 (CRITICAL), it is easily exploitable over the network without user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, there is no public exploit code available (Metasploit, Nuclei, ExploitDB), and it has received limited community discussion and media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
1.3.10CPE matchmatch criteria
cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
19.46%
Probability of exploitation in next 30 days
EPSS Percentile
97.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.1946 is in the 94th percentile among its peer group of 36,829 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

cert-portal.siemens.com / productcert/pdf/ssa-478893.pdf
lists.debian.org / debian-lts-announce/2019/12/msg00028.html
us-cert.cisa.gov / ics/advisories/icsa-20-343-08
openwall.com / lists/oss-security/2018/12/10/5
Mailing ListThird Party Advisory