CVE-2018-19154
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of...
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.
- Record
CVE-2018-19154- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-400
- Updated
- 2026-11-02
CVE List No score
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.
- Record
CVE-2018-19154- Updated
- 2026-11-02
EUVDEUVD-2018-10865 No score
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.
- Record
EUVD-2018-10865- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-8vrf-cvxp-7364
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of...
HTMLCOIN through 2.12 (a chain-based proof-of-stake cryptocurrency) allows a remote denial of service. The attacker sends invalid headers/blocks. The attack requires no stake and can fill the victim's disk and RAM.
- Record
GHSA-8vrf-cvxp-7364- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-400
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-19154 is a high vulnerability (CVSS 7.5) in Htmlcoin, published November 5, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.30%, the 70th percentile. No source names a fixed version.
References
medium.com/%40dsl_uiuc/fake-stake-attacks-on-chain-based-proof-of-stake-cryptocurrencies-b8b05723f806
fc19.ifca.ai/preproceedings/180-preproceedings.pdf
nvd.nist.gov/vuln/detail/CVE-2018-19154
github.com/advisories/GHSA-8vrf-cvxp-7364