OpenSSL before 0.9.8za, 1.0.0 before 1.0.0m, and 1.0.1 before 1.0.1h does not properly restrict processing of ChangeCipherSpec messages, which allows man-in-the-middle attackers to trigger use of a zero-length master key in certain OpenSSL-to-OpenSSL communications, and consequently hijack sessions or obtain sensitive information, via a crafted TLS handshake, aka the "CCS Injection" vulnerability.
CVE-2014-0224
Score elevated to 9.0 because EPSS predicts 95% probability of exploitation within the next 30 days (top 0.1% of all CVEs). NVD baseline CVSS 7.4 retained for reference. Confidence: see factors.
- High exploitation likelihood — EPSS 95%
A fix is available — apply it.
- CVSS v3
- 7.4
- EG Score
- 9.0(high)
- EG Risk
- 83(Track)
- EPSS
- 99.9%
- KEV
- Not listed
Published
June 5, 2014
Last Modified
May 6, 2026
Advisory Details (4)
Auto-updated May 7, 2026Vendor Advisories for CVE-2014-0224(4)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2014:0679Red Hat Product SecurityHigh
Red Hat Security Advisory: openssl security update
- RHSA-2014:0629Red Hat Product SecurityHigh
Red Hat Security Advisory: rhev-hypervisor6 security update
- RHSA-2014:0628Red Hat Product SecurityHigh
Red Hat Security Advisory: openssl security update
- RHSA-2014:0625Red Hat Product SecurityHigh
Red Hat Security Advisory: openssl security update
Patch Availability(12)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | openssl (1.0.1f-1ubuntu2.2) @ trusty | 2026-05-28 | ubuntu |
| redhat | openssl098e-0:0.9.8e-29.el7_0.2 | 2014-06-10 | redhat |
| redhat | openssl-1:1.0.1e-34.el7_0.3 | 2014-06-10 | redhat |
| redhat | openssl-0:1.0.1e-16.el6_5.14 | 2014-06-05 | redhat |
| redhat | openssl-0:1.0.0-27.el6_4.4 | 2014-06-05 | redhat |
| redhat | patch | 2014-06-05 | redhat |
| redhat | openssl | 2014-06-05 | redhat |
| redhat | rhev-hypervisor6-0:6.5-20140603.1.el6ev | 2014-06-05 | redhat |
| redhat | openssl-0:0.9.8e-27.el5_10.3 | 2014-06-05 | redhat |
| redhat | openssl098e-0:0.9.8e-18.el6_5.2 | 2014-06-05 | redhat |
| redhat | patch | 2014-06-05 | redhat |
| redhat | patch | 2014-06-05 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Additional Vendor Advisories
(9)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Red HatRHSA-2014:0624IMPORTANT2014-06-05
RHSA-2014:0624 — Important
- Red HatRHSA-2014:0626IMPORTANT2014-06-05
RHSA-2014:0626 — Important
- Red HatRHSA-2014:0627IMPORTANT2014-06-05
RHSA-2014:0627 — Important
- Red HatRHSA-2014:0630IMPORTANT2014-06-05
RHSA-2014:0630 — Important
- Red HatRHSA-2014:0631IMPORTANT2014-06-05
RHSA-2014:0631 — Important
- Red HatRHSA-2014:0632IMPORTANT2014-06-05
RHSA-2014:0632 — Important
- Red HatRHSA-2014:0633IMPORTANT2014-06-05
RHSA-2014:0633 — Important
- Red HatRHSA-2014:0680IMPORTANT2014-06-05
RHSA-2014:0680 — Important
- UbuntuUSN-2232-1MEDIUM
OpenSSL vulnerabilities
Data Freshness Timeline
(refreshed 7× in last 7d / 12× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 00:15 UTCEG score recompute
- 2026-07-22 21:53 UTCEG score recompute
- 2026-07-22 14:04 UTCEPSS rescore
- 2026-07-22 05:48 UTCOSV refresh
- 2026-07-19 14:27 UTCEPSS rescore
- 2026-07-19 14:27 UTCEPSS rescore
- 2026-07-16 16:58 UTCEPSS rescore
- 2026-07-05 00:26 UTCOSV refresh
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-24 14:02 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-23 21:30 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-22 14:22 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-21 01:57 UTCEPSS rescore
- 2026-06-16 11:44 UTCOSV refresh
- 2026-06-15 17:44 UTCEPSS rescore
- 2026-06-14 23:14 UTCEPSS rescore
- 2026-06-13 22:57 UTCEPSS rescore
- 2026-06-10 22:15 UTCEPSS rescore
- 2026-06-07 15:22 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-06 13:45 UTCEPSS rescore
- 2026-06-05 22:44 UTCEPSS rescore
Show 21 moreShow fewer
- 2026-06-05 22:44 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-02 20:10 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-06-01 13:49 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-31 22:28 UTCEPSS rescore
- 2026-05-28 18:37 UTCEG score recompute
- 2026-05-28 18:37 UTCVendor advisory
- 2026-05-28 18:36 UTCGHSA enrichment
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-28 13:42 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-27 13:38 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 22:37 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-20 11:21 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
- 2026-05-18 21:29 UTCEPSS rescore
Publicly available exploits
(4 references)Working exploit code is in the public domain (1 Metasploit module) (3 GitHub PoCs). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Open source ↗GitHub PoCsecretnonempty/CVE-2014-0224First seen Jul 16, 2014
- Open source ↗GitHub PoCssllabs/openssl-ccs-cve-2014-0224First seen Jul 15, 2014
- GitHub PoCTripwire/OpenSSL-CCS-Inject-TestFirst seen Jun 12, 2014
This script is designed for detection of vulnerable servers (CVE-2014-0224.) in a wide range of configurations. It attempts to negotiate using each affected protocol version (SSLv3, TLSv1, TLSv1.1, and TLSv1.2) advertising a comprehensive set of ciphers.
Open source ↗ - Metasploitauxiliary/scanner/ssl/openssl_ccs✓ verifiedFirst seen Jun 5, 2014
OpenSSL Server-Side ChangeCipherSpec Injection Scanner
Open source ↗
Frequently asked(5)
What is CVE-2014-0224?
When was CVE-2014-0224 disclosed?
Is CVE-2014-0224 actively exploited?
What is the CVSS score of CVE-2014-0224?
How do I remediate CVE-2014-0224?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2014-0224
Is Your Infrastructure Affected by CVE-2014-0224?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.