CVE-2017-17428: Cavium Nitrox SSL, Nitrox V SSL, and TurboSSL software development kits (SDKs) allow remote attackers to decry

This week

MEDIUM 5.9REMOTEUPGRADEUPGRADEUPGRADE

CVE-2017-17428 is a medium-severity flaw (CVSS 5.9) affecting nitrox ssl sdk, nitrox v ssl sdk, octeon sdk. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

EPSS top 3%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	14.6% (top 3%)
CISA exploited list	No
Weakness	CWE-327
Published	2018-03-05
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: cavium · cisco

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2018-03-05 18:29 UTCPublished CVE record published
2026-06-17 01:10 UTCUpdated Record last modified

cavium nitrox ssl sdk UPGRADE

Affected: <= 6.1.0

Fixed in: newer than 6.1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nitrox-ssl-sdk || rpm -q nitrox-ssl-sdk || nitrox-ssl-sdk --version

2. UPGRADE to newer than 6.1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nitrox-ssl-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nitrox-ssl-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

cavium nitrox v ssl sdk UPGRADE

Affected: <= 1.2

Fixed in: newer than 1.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy nitrox-v-ssl-sdk || rpm -q nitrox-v-ssl-sdk || nitrox-v-ssl-sdk --version

2. UPGRADE to newer than 1.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade nitrox-v-ssl-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade nitrox-v-ssl-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

cavium octeon sdk UPGRADE

Affected: <= 1.7.2

Fixed in: newer than 1.7.2

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy octeon-sdk || rpm -q octeon-sdk || octeon-sdk --version

2. UPGRADE to newer than 1.7.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade octeon-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade octeon-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

cavium octeon ssl sdk UPGRADE

Affected: <= 1.5.0

Fixed in: newer than 1.5.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy octeon-ssl-sdk || rpm -q octeon-ssl-sdk || octeon-ssl-sdk --version

2. UPGRADE to newer than 1.5.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade octeon-ssl-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade octeon-ssl-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

cavium turbossl sdk UPGRADE

Affected: <= 1.0

Fixed in: newer than 1.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy turbossl-sdk || rpm -q turbossl-sdk || turbossl-sdk --version

2. UPGRADE to newer than 1.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade turbossl-sdk

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade turbossl-sdk

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

cisco webex conect im DOWNGRADE

Affected: 7.24.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 7.24.1

1. Check installed version

apt-cache policy webex-conect-im || rpm -q webex-conect-im || webex-conect-im --version

2. No fixed release: DOWNGRADE to a release before 7.24.1 (Debian / Ubuntu)

apt-cache madison webex-conect-im sudo apt install webex-conect-im=<VERSION_BEFORE_7.24.1> sudo apt-mark hold webex-conect-im

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list webex-conect-im sudo dnf downgrade webex-conect-im-<VERSION_BEFORE_7.24.1> sudo dnf versionlock add webex-conect-im

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Metasploit: Scanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2017-17428?

nitrox ssl sdk: upgrade to newer than 6.1.0; nitrox v ssl sdk: upgrade to newer than 1.2; octeon sdk: upgrade to newer than 1.7.2. Exact commands for each OS are on this page.

Is CVE-2017-17428 being exploited?

CVE-2017-17428 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2017-17428 affect?

CVE-2017-17428 affects nitrox ssl sdk, nitrox v ssl sdk, octeon sdk. Severity is medium (CVSS 5.9). 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.

How urgent is CVE-2017-17428?

Priority 55/100. EPSS top 3%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Software pages

Cisco vulnerabilities · Cisco Webex vulnerabilities

References

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