Lucene search
K
Database
Vendors
Products
Years
CVSS
Scanner
Agent Scanning
API Scanning
Manual Audit
Perimeter Scanner
Scanning
Projects
Email
Webhook
Plugins
Resources
Documents
Blog
Glossary
FAQ
Pricing
Contacts
About Us
Partners
Branding Guideline
cve[email protected]CVE-2021-45699
HistoryDec 27, 2021 - 12:15 a.m.

CVE-2021-45699

2021-12-2700:15:09
CWE-770
[email protected]
web.nvd.nist.gov
32
cve-2021-45699
ckb crate
rust
51% attack
nervos ckb blockchain
memory allocation
vulnerability
security advisory

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.3%

JSON

An issue was discovered in the ckb crate before 0.40.0 for Rust. Remote attackers may be able to conduct a 51% attack against the Nervos CKB blockchain by triggering an inability to allocate memory for the misbehavior HashMap.

Affected configurations

NVD
Node
nervosckbRange<0.40.0rust
CPENameOperatorVersion
nervos:ckbnervos ckblt0.40.0

Related

nvd 1
rustsec 1
osv 3
cvelist 1
cnvd 1
prion 1
github 1
nvd
nvd
CVE-2021-45699
2021-12-27 00:15:09
rustsec
rustsec
Remote memory exhaustion in ckb
2021-07-25 12:00:00
osv
osv
Remote memory exhaustion in ckb
2021-07-25 12:00:00
Allocation of Resources Without Limits or Throttling in ckb
2022-01-06 22:09:49
Remote memory exhaustion in ckb
2021-08-25 21:01:23
cvelist
cvelist
CVE-2021-45699
2021-12-26 21:49:25
cnvd
cnvd
Mozilla Rust Denial of Service Vulnerability (CNVD-2022-04515)
2021-12-28 00:00:00
prion
prion
Design/Logic Flaw
2021-12-27 00:15:00
github
github
Allocation of Resources Without Limits or Throttling in ckb
2022-01-06 22:09:49

7.8 High

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:N/I:N/A:C

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

7.3 High

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

55.3%

JSON
Related for CVE-2021-45699
nvd1rustsec1osv3cvelist1cnvd1prion1github1