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CVE-2021-3449

NULL pointer deref in signature_algorithms processing

Published: Mar 25, 2021Updated: Nov 21, 2024 Sources: CVE List NVD GHSA BDU csafCWE-476
NVD MITRE
5.9CVSSMEDIUM
EPSS Score
63.5%
Top 0.9%
CISA KEV
Not in KEV
Exploits
1 Known
Remediation
Patch Available

Description

71 vulnerabilities in third-party components as Node.js, cURL, SQLite, CivetWeb and DNS(ISC BIND) could allow an attacker to interfere with the affected product in various ways. Siemens has released an update for SINEC INS and recommends to update to the latest versions.

CVSS Vector Breakdown

AV:NAC:HPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:HAttack Complexity
High
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

Debian GNU/LinuxСообщество свободного программного обеспечения
On-premOS
Operating Systems / linux-distro
Astra Linux Special EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Astra Linux Common EditionООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
Astra Linux Special Edition для «Эльбрус»ООО «РусБИТех-Астра»
On-premOS
Operating Systems / linux-distro
FedoraFedora Project
On-premOS
Operating Systems / linux-distro
сообщество свободного программного обеспеченияoss-projectOperating Systemsaka сообщество свободного программного обеспечения, fsf
ооо «русбитех-астра»commercialRUOperating Systemsaka rusbitech-astra
fedora projectoss-projectUSOperating Systemsaka fedora
and 118 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

1 exploit source identified

Exploit details including PoC links, Metasploit modules, and scanner templates are available after registration.

View exploit details
Official Patch Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

http://www.openwall.com/lists/oss-security/2021/03/27/1
openwall.com
http://www.openwall.com/lists/oss-security/2021/03/27/2
openwall.com
http://www.openwall.com/lists/oss-security/2021/03/28/3
openwall.com
and 147 more references View all →

Timeline

Published
Mar 25, 2021
Last Updated
Nov 21, 2024

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