The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL se
Noroxi assessment
Priority: Plan (action score 47/100)
- Public proof-of-concept code exists (GitHub); there is no record of exploitation in the wild.
- Probability of exploitation in the next 30 days: 98.6% (FIRST EPSS); higher than 99.9% of all records.
- Fixed version: openssl (Debian:12) 1.0.1k-1; openssl (Debian:6.0) 0.9.8o-4squeeze19; openssl (Debian:7) 1.0.1e-2+deb7u14.
- Mentioned 1 time in Turkish national cyber security advisories (siberguvenlik.gov.tr).
Add it to your regular patch cycle. Upgrade to openssl (Debian:12) 1.0.1k-1; openssl (Debian:6.0) 0.9.8o-4squeeze19; openssl (Debian:7) 1.0.1e-2+deb7u14 or later.
Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it
The ssl3_get_key_exchange function in s3_clnt.c in OpenSSL before 0.9.8zd, 1.0.0 before 1.0.0p, and 1.0.1 before 1.0.1k allows remote SSL servers to conduct RSA-to-EXPORT_RSA downgrade attacks and facilitate brute-force decryption by offering a weak ephemeral RSA key in a noncompliant role, related to the "FREAK" issue. NOTE: the scope of this CVE is only client code based on OpenSSL, not EXPORT_RSA issues associated with servers or other TLS implementations.
- BDU:2015-06127
- BDU:2015-06128
- BDU:2015-06129
- BDU:2015-06130
- BDU:2015-06131
- BDU:2015-09142
- BDU:2015-09143
- BDU:2015-09144
- BDU:2015-09145
- BDU:2015-09146
- BDU:2015-09819
- BDU:2015-09905
- BDU:2015-09960
- BDU:2015-09963
- DLA-132-1
- DSA-3125-1
- RHSA-2015:0066
- RHSA-2015:0800
- SUSE-SU-2015:0305-1
- SUSE-SU-2015:1161-1
- Published
- Jan 8, 2015
- Updated
- Jun 16, 2026
- EPSS
- 98.7% · 100th percentile
- CWE
- CWE-310
Report tools
Action score
47
Plan
Add it to your regular patch cycle.
- CVSS
- 17 / 40 · 4.3 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 30 / 30 · 98.7%
Get told when this record changes
- Not in KEV: no record of exploitation in the wild
- Proof of concept exists, no weaponized module
- A fix has been released
If any of these changes, we'll tell you in the daily email digest.
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Noroxi analysis
What does it mean in your environment?
The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.
We use this product, ask for helpAffected systems
Is your version affected?
Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.
| Vendor | Product | CPE |
|---|---|---|
| openssl | openssl | cpe:2.3:a:openssl:openssl |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- openssl opensslup to 0.9.8zc inclusive
- openssl openssl1.0.0a
- openssl openssl1.0.0b
- openssl openssl1.0.0c
- openssl openssl1.0.0d
- openssl openssl1.0.0e
- openssl openssl1.0.0f
- openssl openssl1.0.0g
- openssl openssl1.0.0h
- openssl openssl1.0.0i
- openssl openssl1.0.0j
- openssl openssl1.0.0k
- openssl openssl1.0.0l
- openssl openssl1.0.0m
- openssl openssl1.0.0n
- openssl openssl1.0.0o
- openssl openssl1.0.1a
- openssl openssl1.0.1b
- openssl openssl1.0.1c
- openssl openssl1.0.1d
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | openssl | before 1.0.1k-1 | 1.0.1k-1 |
| Debian:6.0 | openssl | before 0.9.8o-4squeeze19 | 0.9.8o-4squeeze19 |
| Debian:7 | openssl | before 1.0.1e-2+deb7u14 | 1.0.1e-2+deb7u14 |
| Red Hat:enterprise_linux:5::client | openssl | before 0:0.9.8e-33.el5_11 | 0:0.9.8e-33.el5_11 |
| Red Hat:enterprise_linux:5::client | openssl-debuginfo | before 0:0.9.8e-33.el5_11 | 0:0.9.8e-33.el5_11 |
| Red Hat:enterprise_linux:5::client | openssl-perl | before 0:0.9.8e-33.el5_11 | 0:0.9.8e-33.el5_11 |
| Red Hat:enterprise_linux:5::client_workstation | openssl-devel | before 0:0.9.8e-33.el5_11 | 0:0.9.8e-33.el5_11 |
| Red Hat:enterprise_linux:6::client | openssl | before 0:1.0.1e-30.el6_6.5 | 0:1.0.1e-30.el6_6.5 |
| Red Hat:enterprise_linux:6::client | openssl-debuginfo | before 0:1.0.1e-30.el6_6.5 | 0:1.0.1e-30.el6_6.5 |
| Red Hat:enterprise_linux:6::client | openssl-devel | before 0:1.0.1e-30.el6_6.5 | 0:1.0.1e-30.el6_6.5 |
| Red Hat:enterprise_linux:6::client | openssl-perl | before 0:1.0.1e-30.el6_6.5 | 0:1.0.1e-30.el6_6.5 |
| Red Hat:enterprise_linux:6::client | openssl-static | before 0:1.0.1e-30.el6_6.5 | 0:1.0.1e-30.el6_6.5 |
| Red Hat:enterprise_linux:7::client | openssl | before 1:1.0.1e-34.el7_0.7 | 1:1.0.1e-34.el7_0.7 |
| Red Hat:enterprise_linux:7::client | openssl-debuginfo | before 1:1.0.1e-34.el7_0.7 | 1:1.0.1e-34.el7_0.7 |
| Red Hat:enterprise_linux:7::client | openssl-devel | before 1:1.0.1e-34.el7_0.7 | 1:1.0.1e-34.el7_0.7 |
| Red Hat:enterprise_linux:7::client | openssl-libs | before 1:1.0.1e-34.el7_0.7 | 1:1.0.1e-34.el7_0.7 |
| Red Hat:enterprise_linux:7::client | openssl-perl | before 1:1.0.1e-34.el7_0.7 | 1:1.0.1e-34.el7_0.7 |
| Red Hat:enterprise_linux:7::client | openssl-static | before 1:1.0.1e-34.el7_0.7 | 1:1.0.1e-34.el7_0.7 |
| SUSE:Linux Enterprise Desktop 12 | compat-openssl098 | before 0.9.8j-70.2 | 0.9.8j-70.2 |
| SUSE:Linux Enterprise Module for Legacy 12 | java-1_6_0-ibm | before 1.6.0_sr16.15-27.1 | 1.6.0_sr16.15-27.1 |
| SUSE:Linux Enterprise Module for Legacy 12 | java-1_6_0-ibm | before 1.6.0_sr16.4-15.1 | 1.6.0_sr16.4-15.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP3 | java-1_6_0-ibm | before 1.6.0_sr16.15-46.1 | 1.6.0_sr16.15-46.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP3 | java-1_7_0-ibm | before 1.7.0_sr9.20-42.1 | 1.7.0_sr9.20-42.1 |
| SUSE:Linux Enterprise Software Development Kit 11 SP4 | java-1_7_1-ibm | before 1.7.1_sr3.20-6.1 | 1.7.1_sr3.20-6.1 |
+1
Same product
openssl: all recordsOther highest-scoring records for the same primary product.
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- CVE-2016-2108The ASN.1 implementation in OpenSSL before 1.0.1o and 1.0.2 before 1.0.2c allows remote attackers to execute arbitrary code or cause a denia62This week
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- CVE-2022-3786X.509 Email Address Variable Length Buffer Overflow58Plan
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:openssl | 1.0.1k-1 · Debian:12 | Package registry (OSV) |
| red hat:openssl | 0:1.0.1e-30.el6_6.5 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:openssl-debuginfo | 0:1.0.1e-30.el6_6.5 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:openssl-devel | 0:1.0.1e-30.el6_6.5 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:openssl-libs | 1:1.0.1e-34.el7_0.7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:openssl-perl | 0:1.0.1e-30.el6_6.5 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| red hat:openssl-static | 0:1.0.1e-30.el6_6.5 · Red Hat:enterprise_linux:6::client | Package registry (OSV) |
| suse:compat-openssl098 | 0.9.8j-70.2 · SUSE:Linux Enterprise Desktop 12 | Package registry (OSV) |
| suse:java-1_6_0-ibm | 1.6.0_sr16.4-15.1 · SUSE:Linux Enterprise Module for Legacy 12 | Package registry (OSV) |
| suse:java-1_7_0-ibm | 1.7.0_sr9.20-42.1 · SUSE:Linux Enterprise Software Development Kit 11 SP3 | Package registry (OSV) |
| suse:java-1_7_1-ibm | 1.7.1_sr3.20-18.1 · SUSE:Linux Enterprise Software Development Kit 12 | Package registry (OSV) |
Exploit status
Proof of concept available
A public proof of concept or detection signature exists. Exploit knowledge is out there; don't delay patching.
Evidence
- Proof-of-concept repository on GitHub ×5
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Proof-of-concept repository on GitHub | stars:2 | 2015-03-04 |
| Proof-of-concept repository on GitHub | stars:4 | 2015-03-05 |
| Proof-of-concept repository on GitHub | stars:5 | 2015-03-06 |
| Proof-of-concept repository on GitHub | stars:1 | 2015-03-23 |
| Proof-of-concept repository on GitHub | stars:5 | 2021-01-01 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Published
- First PoC+54 d
- TodayOct 13, 2026+4296 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
National notice (Türkiye Cybersecurity Directorate / USOM)
Official security notices citing this record; remediation advice is on the agency's page.
- TR-15-022 · Mar 8, 2015(FREAK SSL/TLS Zafiyeti)
Technical details
Attack conditions
If successful
- Confidentiality
- none
- Integrity
- P · data or configuration can be modified
- Availability
- none
- Attack complexity
- M
- Confidentiality impact
- None
- Integrity impact
- P
- Availability impact
- None
Weakness class (CWE)
CWE-310 · Cryptographic IssuesCVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
Show all references (19 more)Show less
- support.apple.com/HT204659
- support.citrix.com/article/CTX216642
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10679
- lists.apple.com/archives/security-announce/2015/Apr/msg00001.html
- lists.opensuse.org/opensuse-security-announce/2015-01/msg00021.html
- lists.opensuse.org/opensuse-security-announce/2015-03/msg00027.html
- lists.opensuse.org/opensuse-security-announce/2015-05/msg00026.html
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00014.html
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00015.html
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00022.html
- lists.opensuse.org/opensuse-security-announce/2015-06/msg00031.html
- lists.opensuse.org/opensuse-security-announce/2015-12/msg00000.html
- lists.opensuse.org/opensuse-security-announce/2015-12/msg00001.html
- lists.opensuse.org/opensuse-security-announce/2015-12/msg00003.html
- lists.opensuse.org/opensuse-security-announce/2015-12/msg00004.html
- lists.opensuse.org/opensuse-security-announce/2015-12/msg00006.html
- lists.opensuse.org/opensuse-security-announce/2016-01/msg00005.html
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00011.html
- marc.info/?l=bugtraq&m=142496179803395&w=2
Vendor advisories and official records. Exploit/PoC links are deliberately left out.