Security readout for executives and security teams
CVE-2004-0079 is a remote crash risk in older OpenSSL releases. A malformed SSL/TLS handshake can cause affected software to dereference null memory and terminate, interrupting services that rely on those libraries. Exposure is most likely on legacy systems still running the named OpenSSL versions, especially internet-facing SSL/TLS services. Modern supported systems are unlikely to remain vulnerable unless they carry obsolete bundled libraries. High priority for legacy environments because the attack is remote and unauthenticated, but the impact is availability only. Confirm whether any old OpenSSL deployments remain before treating this as an active incident. Mitigation focus: Inventory systems and applications using OpenSSL SSL/TLS libraries.; Upgrade affected OpenSSL versions using OpenSSL or operating-system vendor guidance.; Prioritize internet-facing TLS services and legacy appliances first..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CWE-476: Exact CWE lookup
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Open ATT&CK lookupCVE-2004-0079 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
7.5HighVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source materials
- CVE List V5 sourceCVE List V5
- oval:org.mitre.oval:def:2621CVE reference · vdb-entry, signature
- oval:org.mitre.oval:def:9779CVE reference · vdb-entry, signature
- oval:org.mitre.oval:def:975CVE reference · vdb-entry, signature
- oval:org.mitre.oval:def:870CVE reference · vdb-entry, signature
- openssl-dochangecipherspec-dos(15505)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
NULL Pointer Dereference
NULL Pointer Dereference represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.
