wolfSSL Bleichenbacher/ROBOT

Published 8 y ago 2017-12-13 · modified 4 mo ago 2026-06-17 · JSON

CVSS

7.5

v3.0 · CNA

CISA KEV

not known exploited

EPSS

27.4%

percentile 98%

Public exploits

Metasploit

wolfSSL prior to version 3.12.2 provides a weak Bleichenbacher oracle when any TLS cipher suite using RSA key exchange is negotiated. An attacker can recover the private key from a vulnerable wolfSSL application. This vulnerability is referred to as "ROBOT."

Exploit prediction (EPSS)

27.38% probability of exploitation in the next 30 days, higher than 98% of all scored CVEs.

Exploits and detections

Metasploit auxiliary/scanner/ssl/bleichenbacher_oracle Scanner for Bleichenbacher Oracle in RSA PKCS #1 v1.5 · metasploit auxiliary, normal rank · 2009-06-17

CVSS scores

Assigned by	Version	Score	Vector
CNA	3.0	7.5	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
CNA	3.0	7.5	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`
NVD	3.0	5.9	`CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:P/I:N/A:N`

Affected products

wolfSSL wolfSSL

Classification

Weakness

CWE-203 Observable Discrepancy

References

securityfocus.com /bid/102174 · vdb-entry, x_refsource_BID, x_transferred
robotattack.org / · x_refsource_MISC, x_transferred
cert-portal.siemens.com /productcert/pdf/ssa-464260.pdf · x_refsource_CONFIRM, x_transferred
arubanetworks.com /assets/alert/ARUBA-PSA-2018-002.txt · x_refsource_CONFIRM, x_transferred
kb.cert.org /vuls/id/144389 · third-party-advisory, x_refsource_CERT-VN, x_transferred
github.com /wolfSSL/wolfssl/pull/1229 · x_refsource_CONFIRM, x_transferred

Sources

CVE List: CVE-2017-13099
NVD: CVE-2017-13099

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary