High 7.5Published Nov 23, 2004

CVE-2004-0079The 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…

Updated under an hour ago (Nov 2, 2026, 12:10 AM ET)

Does this affect you?

It affects cisco firewall_services_module and 59 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stackFree account, 3 products Every CVE for cisco firewall_services_module Exploited in the last 30 days

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: 7.5 HIGH (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

cisco firewall_services_module cisco:firewall_services_module	all versions; 1.1.2; 1.1.3; 1.1_(3.005); 2.1_(0.208)	NVD
hp aaa_server hp:aaa_server	all versions	NVD
hp apache-based_web_server hp:apache-based_web_server	2.0.43.00; 2.0.43.04	NVD
symantec clientless_vpn_gateway_4400 symantec:clientless_vpn_gateway_4400	5.0	NVD
cisco ciscoworks_common_management_foundation cisco:ciscoworks_common_management_foundation	2.1	NVD
cisco ciscoworks_common_services cisco:ciscoworks_common_services	2.2	NVD
avaya converged_communications_server avaya:converged_communications_server	2.0	NVD
avaya sg200 avaya:sg200	4.4; 4.31.29	NVD
avaya sg203 avaya:sg203	4.4; 4.31.29	NVD
avaya sg208 avaya:sg208	all versions; 4.4	NVD
1–10 of 60

References

References

http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000834	broken-link
http://docs.info.apple.com/article.html?artnum=61798	broken-link
http://fedoranews.org/updates/FEDORA-2004-095.shtml	third-party-advisory
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html	mailing-list
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html	mailing-list
http://lists.apple.com/mhonarc/security-announce/msg00045.html	broken-link
http://marc.info/?l=bugtraq&m=107953412903636&w=2	mailing-list
http://marc.info/?l=bugtraq&m=108403806509920&w=2	mailing-list
http://secunia.com/advisories/11139	broken-link
http://secunia.com/advisories/17381	broken-link
1–10 of 25

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.