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CVE-2021-41990

Published: Oct 18, 2021Updated: Nov 21, 2024 Sources: CVE List NVD csafCWE-190
7.5HIGH
NVD MITRE
EPSS Score
6.4%
Top 7.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

The gmp plugin in strongSwan before 5.9.4 has a remote integer overflow via a crafted certificate with an RSASSA-PSS signature. For example, this can be triggered by an unrelated self-signed CA certificate sent by an initiator. Remote code execution cannot occur.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-190

Affected Products

n/an/a
strongswanstrongswan
On-prem
Networking Infrastructure / vpn-gateway
debian linuxdebian
On-premOS
Operating Systems / linux-distro
fedorafedoraproject
On-premOS
Operating Systems / linux-distro
6gk6108-4am00-2ba2 firmwaresiemensICS / OT / IoT
strongswanoss-projectNetworking Infrastructureaka strongman, strongswan vpn client
debianoss-projectGBOperating Systemsaka debian gnu/linux
fedoraprojectoss-projectUSOperating Systemsaka fedora project
siemenscommercialDEEnterprise Softwareaka siemens ag
and 16 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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

MITRE ATT&CK

1 technique
Initial Access
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References

https://github.com/strongswan/strongswan/releases/tag/5.9.4
github.com
https://www.strongswan.org/blog/2021/10/18/strongswan-vulnerability-%28cve-2021-41990%29.html
strongswan.org
https://www.debian.org/security/2021/dsa-4989
debian.org
and 17 more references View all →

Timeline

Published
Oct 18, 2021
Last Updated
Nov 21, 2024

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