| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.0 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Mozilla Firefox up to 52. Affected is an unknown function of the component NSS. The manipulation leads to numeric error. This vulnerability is traded as CVE-2017-5462. It is possible to initiate the attack remotely. There is no exploit available. You should upgrade the affected component.
Details
A vulnerability was found in Mozilla Firefox up to 52 (Web Browser) and classified as problematic. This issue affects some unknown functionality of the component NSS. The manipulation with an unknown input leads to a numeric error vulnerability. Using CWE to declare the problem leads to CWE-189. Impacted is confidentiality, integrity, and availability.
The bug was discovered 04/19/2017. The weakness was shared 04/19/2017 by Huzaifa Sidhpurwala with Zero Day Initiative as MFSA 2017-10 as confirmed security advisory (Website). It is possible to read the advisory at mozilla.org. The identification of this vulnerability is CVE-2017-5462 since 01/13/2017. The exploitation is known to be difficult. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.
The vulnerability scanner Nessus provides a plugin with the ID 99496 (FreeBSD : mozilla -- multiple vulnerabilities (5e0a038a-ca30-416d-a2f5-38cbf5e7df33)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 176051 (Debian Security Update for nss (DSA 3872-1)).
Upgrading to version 53 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (99496), SecurityFocus (BID 97940†) and SecurityTracker (ID 1038320†). The entries VDB-100289, VDB-100290, VDB-100291 and VDB-100292 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.mozilla.org/
- Product: https://www.mozilla.org/en-US/firefox/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.1VulDB Meta Temp Score: 5.0
VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.3
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Numeric errorCWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 99496
Nessus Name: FreeBSD : mozilla -- multiple vulnerabilities (5e0a038a-ca30-416d-a2f5-38cbf5e7df33)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 803347
OpenVAS Name: Mozilla Firefox ESR Security Updates(mfsa_2017-10_2017-12)-Windows
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Upgrade: Firefox 53
Timeline
01/13/2017 🔍04/19/2017 🔍
04/19/2017 🔍
04/19/2017 🔍
04/19/2017 🔍
04/20/2017 🔍
04/20/2017 🔍
04/20/2017 🔍
06/11/2018 🔍
11/26/2025 🔍
Sources
Vendor: mozilla.orgProduct: mozilla.org
Advisory: MFSA 2017-10
Researcher: Huzaifa Sidhpurwala
Organization: Zero Day Initiative
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-5462 (🔍)
GCVE (CVE): GCVE-0-2017-5462
GCVE (VulDB): GCVE-100-100319
OVAL: 🔍
SecurityFocus: 97940 - Mozilla Firefox Multiple Security Vulnerabilities
OSVDB: - CVE-2017-5462 - Mozilla - Multiple Products - DRBG Generation Issue
SecurityTracker: 1038320
See also: 🔍
Entry
Created: 04/20/2017 14:54Updated: 11/26/2025 04:14
Changes: 04/20/2017 14:54 (81), 09/18/2020 15:24 (8), 12/21/2020 07:59 (3), 11/26/2025 04:14 (17)
Complete: 🔍
Cache ID: 216::103
Be aware that VulDB is the high quality source for vulnerability data.

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