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CVE-2017-13099

44
FAUCET Score

CVE-2017-13099 describes a weak Bleichenbacher oracle vulnerability in wolfSSL versions prior to 3.12.2, affecting products from vendors like Aruba Networks and Siemens. This flaw, known as "ROBOT," allows an unauthenticated attacker to recover the private key from a vulnerable application when an RSA key exchange TLS cipher suite is used. Rated as Medium severity (CVSS 5.9), it has a high impact on confidentiality with high attack complexity. While not listed in CISA KEV, a Metasploit module exists for scanning, and it has garnered significant community discussion and media coverage, indicating awareness of its potential.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.12.2CPE matchmatch criteria
cpe:2.3:a:wolfssl:wolfssl:*:*:*:*:*:*:*:*
< 8.3.0.1CPE matchmatch criteria
cpe:2.3:o:siemens:scalance_w1750d_firmware:*:*:*:*:*:*:*:*
< 6.5.4.6CPE matchmatch criteria
cpe:2.3:a:arubanetworks:instant:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
24.92%
Probability of exploitation in next 30 days
EPSS Percentile
97.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
Metasploit: Scanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5 · Jun 17, 2009
This CVE's current EPSS score of 0.2492 is in the 98th percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

cert-portal.siemens.com / productcert/pdf/ssa-464260.pdf
Third Party Advisory
github.com / wolfSSL/wolfssl/pull/1229
Issue TrackingPatchThird Party Advisory
robotattack.org
Issue TrackingThird Party Advisory
arubanetworks.com / assets/alert/ARUBA-PSA-2018-002.txt
Third Party Advisory
kb.cert.org / vuls/id/144389
Issue TrackingMitigationThird Party AdvisoryUS Government Resource
securityfocus.com / bid/102174
Issue TrackingMitigationThird Party AdvisoryVDB Entry