CVE-2019-17007

Exp

In Network Security Services before 3.44, a malformed Netscape Certificate Sequence can cause NSS to crash, resulting in a denial of service.

Published: 2020-10-22 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2019-17007 is rated High Exploit Risk (63.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.31%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2019-17007

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2019-17007

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 2025-11-21 0.50% 0.31% -0.19%
2 2025-11-18 0.28% 0.50% +0.22%
3 2025-03-30 — 0.28% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-17007

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 3.1 HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
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.
 3.9 3.6 [email protected]
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
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.
 10.0 2.9 [email protected]

Weakness enumeration for CVE-2019-17007

OS Trackers for CVE-2019-17007

vendor priority summary link
debian not yet assigned CVE-2019-17007 not yet assigned priority: Debian including 1 source packages (nss), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2019-17007
redhat medium — https://access.redhat.com/security/cve/CVE-2019-17007
suse high CVE-2019-17007 severity important: SUSE including 31 source package names (libfreebl3, libfreebl3-32bit, …), 553 product×package rows across 59 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (59 product lines)): Known Not Affected 541, Fixed 12. https://www.suse.com/security/cve/CVE-2019-17007/
ubuntu medium CVE-2019-17007 medium priority: Ubuntu including 1 source packages (nss), 6 status rows across 6 suites (bionic, disco, eoan, trusty, upstream, xenial): released 5, not-affected 1. https://ubuntu.com/security/CVE-2019-17007

Affected software / configurations for CVE-2019-17007

Vendor Product Version Raw CPE
mozilla network_security_services < 3.44 cpe:2.3:a:mozilla:network_security_services:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_mx5000_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_mx5000_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx1400_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx1400_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx1500_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx1500_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx1501_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx1501_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx1510_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx1510_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx1511_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx1511_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx1512_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx1512_firmware:*:*:*:*:*:*:*:*
siemens ruggedcom_rox_rx5000_firmware < 2.14.0 cpe:2.3:o:siemens:ruggedcom_rox_rx5000_firmware:*:*:*:*:*:*:*:*

References for CVE-2019-17007

cvelogic Threat Intelligence