CVE-2017-9263

In Open vSwitch (OvS) 2.7.0, while parsing an OpenFlow role status message, there is a call to the abort() function for undefined role status reasons in the function `ofp_print_role_status_message` in `lib/ofp-print.c` that may be leveraged toward a remote DoS attack by a malicious switch.

Published: 2017-05-29 Last update: 2026-05-13 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2017-9263 is rated Low Risk (37.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.14%). Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2017-9263

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-16 0.25% 0.14% -0.11%
2 2025-12-14 0.28% 0.25% -0.03%
3 2025-11-21 — 0.28% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2017-9263

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.0 MEDIUM
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:A)
Attacker has to be nearby on the network—same office, same link, that vibe—not the whole wide internet.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
3.3 2.0 LOW
AV:A/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:A)
Requires access to an adjacent network segment.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 6.5 2.9 [email protected]

Weakness enumeration for CVE-2017-9263

OS Trackers for CVE-2017-9263

vendor priority summary link
debian unimportant CVE-2017-9263 unimportant priority: Debian including 1 source packages (openvswitch), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2017-9263
redhat medium — https://access.redhat.com/security/cve/CVE-2017-9263
suse medium CVE-2017-9263 severity moderate: SUSE including 13 source package names (libopenvswitch-2_11-0, libopenvswitch-2_8-0, …), 36 product×package rows across 15 product lines (SUSE Linux Enterprise High Performance Computing 15-LTSS, SUSE Linux Enterprise Server 12 SP2, … (15 product lines)): Known Not Affected 20, Fixed 16. https://www.suse.com/security/cve/CVE-2017-9263/
ubuntu medium CVE-2017-9263 medium priority: Ubuntu including 1 source packages (openvswitch), 5 status rows across 5 suites (trusty, upstream, xenial, yakkety, zesty): released 2, DNE 1, ignored 1, needs-triage 1. https://ubuntu.com/security/CVE-2017-9263

Affected software / configurations for CVE-2017-9263

Vendor Product Version Raw CPE
openvswitch openvswitch 2.7.0 cpe:2.3:a:openvswitch:openvswitch:2.7.0:*:*:*:*:*:*:*

References for CVE-2017-9263

cvelogic Threat Intelligence