Cavium Nitrox SSL, Nitrox V SSL, and TurboSSL software development kits (SDKs) allow remote attackers to decrypt TLS ciphertext data by leve
Cavium Nitrox SSL, Nitrox V SSL, and TurboSSL software development kits (SDKs) allow remote attackers to decrypt TLS ciphertext data by leveraging a Bleichenbacher RSA padding oracle, aka a ROBOT attack.
- Published
- Mar 5, 2018
- Updated
- Jun 16, 2026
- EPSS
- 14.6% · 97th percentile
- CWE
- CWE-327
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Report tools
Action score
27
Monitor
Low priority for now.
- CVSS
- 23 / 40 · 5.9 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 4 / 30 · 14.6%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| cavium | nitrox ssl sdk | cpe:2.3:a:cavium:nitrox_ssl_sdk |
| cavium | nitrox v ssl sdk | cpe:2.3:a:cavium:nitrox_v_ssl_sdk |
| cavium | octeon sdk | cpe:2.3:a:cavium:octeon_sdk |
| cavium | octeon ssl sdk | cpe:2.3:a:cavium:octeon_ssl_sdk |
| cavium | turbossl sdk | cpe:2.3:a:cavium:turbossl_sdk |
| cisco | webex conect im | cpe:2.3:a:cisco:webex_conect_im |
| cisco | webex meetings | cpe:2.3:a:cisco:webex_meetings |
| cisco | ace4710 application control engine firmware | cpe:2.3:o:cisco:ace4710_application_control_engine_firmware |
| cisco | ace 4710 application control engine | cpe:2.3:h:cisco:ace_4710_application_control_engine |
| cisco | ace30 application control engine module firmware | cpe:2.3:o:cisco:ace30_application_control_engine_module_firmware |
| cisco | ace30 application control engine module | cpe:2.3:h:cisco:ace30_application_control_engine_module |
| cisco | adaptive security appliance 5520 firmware | cpe:2.3:o:cisco:adaptive_security_appliance_5520_firmware |
and 9 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- cavium nitrox ssl sdkup to 6.1.0 inclusive
- cavium nitrox v ssl sdkup to 1.2 inclusive
- cavium octeon sdkup to 1.7.2 inclusive
- cavium octeon ssl sdkup to 1.5.0 inclusive
- cavium turbossl sdkup to 1.0 inclusive
- cisco ace30 application control engine module firmware3.0(0)a5(2.0)
- cisco ace30 application control engine module firmware3.0(0)a5(3.0)
- cisco ace30 application control engine module firmware3.0(0)a5(3.5)
- cisco ace4710 application control engine firmware3.0(0)a5(2.0)
- cisco ace4710 application control engine firmware3.0(0)a5(3.0)
- cisco ace4710 application control engine firmware3.0(0)a5(3.5)
- cisco adaptive security appliance 5505 firmware9.1(7.16)
- cisco adaptive security appliance 5510 firmware9.1(7.16)
- cisco adaptive security appliance 5520 firmware9.1(7.16)
- cisco adaptive security appliance 5540 firmware9.1(7.16)
- cisco adaptive security appliance 5550 firmware9.1(7.16)
- cisco webex conect im7.24.1
- cisco webex meetingst31
- cisco webex meetingst32
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
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 |
|---|---|---|
| Metasploit module | auxiliary/scanner/ssl/bleichenbacher_oracleScanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5auxiliary | 2009-06-17 |
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.
- Metasploit-3184 d
- Published
- TodaySep 30, 2026+3131 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.
No commit or PR link among the references.
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).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- No account or password is required.
- No user action is required.
- Special conditions such as timing or configuration are required.
If successful
- Confidentiality
- high · data can be read
- Integrity
- none
- Availability
- none
- Attack vector
- Network
- Attack complexity
- High
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- None
- Availability impact
- None
Weakness class (CWE)
CWE-327 · Use of a Broken or Risky Cryptographic AlgorithmCVSS vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/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.
Attack patterns (CAPEC)
- Encryption Brute ForcingCAPEC-20likelihood: Low · Low
- Creating a Rogue Certification Authority CertificateCAPEC-459likelihood: Medium · Very High
- Signature SpoofCAPEC-473
- Signature Spoofing by Improper ValidationCAPEC-475likelihood: Low · High
- Cryptanalysis of Cellular EncryptionCAPEC-608High
- Rooting SIM CardsCAPEC-614High
- CryptanalysisCAPEC-97likelihood: Low · Very High
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/102170
- www.securitytracker.com/id/1039984
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20171212-bleichenbacher
- www.cavium.com/security-advisory-cve-2017-17428.html
- www.kb.cert.org/vuls/id/144389
Vendor advisories and official records. Exploit/PoC links are deliberately left out.