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CVE-2004-0079

Published: Mar 18, 2004Updated: Apr 16, 2026 Sources: CVE List NVD BDUCWE-476
NVD MITRE
7.5CVSSHIGH
EPSS Score
9.5%
Top 5.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

The do_change_cipher_spec function in OpenSSL 0.9.6c to 0.9.6k, and 0.9.7a to 0.9.7c, allows remote attackers to cause a denial of service (crash) via a crafted SSL/TLS handshake that triggers a null dereference.

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
Open in CVSS calculator →

Weaknesses

CWE-476

Affected Products

firewall services modulecisco
On-premNetwork Device
Networking Infrastructure / firewall
aaa serverhp
On-prem
Enterprise Software / itsm-monitoring
apache-based web serverhp
On-prem
Enterprise Software / itsm-monitoring
clientless vpn gateway 4400symantecSecurity Products
ciscoworks common management foundationcisco
On-prem
Networking Infrastructure / router-switch
ciscocommercialUSNetworking Infrastructureaka cisco systems, cisco systems inc.
hpcommercialUSEnterprise Softwareaka hewlett packard, hpe
symanteccommercialUSSecurity Productsaka symantec enterprise security, norton
and 63 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

Official Patch Available

MITRE ATT&CK

2 techniques
Impact
Initial Access
View detailed technique mapping

References

ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-04:05.openssl.asc
ftp.freebsd.org
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-005.txt.asc
ftp.netbsd.org
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2004.10/SCOSA-2004.10.txt
ftp.sco.com
and 43 more references View all →

Timeline

Published
Mar 18, 2004
Last Updated
Apr 16, 2026

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