Nginx Unit up to 1.7.0 Router Process Request memory corruption
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.4 | $0-$5k | 0.00 |
Summary
A vulnerability labeled as critical has been found in Nginx Unit up to 1.7.0. This affects an unknown function of the component Router Process. The manipulation as part of Request results in memory corruption. This vulnerability is cataloged as CVE-2019-7401. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.
Details
A vulnerability classified as critical has been found in Nginx Unit up to 1.7.0 (Web Server). Affected is an unknown part of the component Router Process. The manipulation as part of a Request leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:
NGINX Unit before 1.7.1 might allow an attacker to cause a heap-based buffer overflow in the router process with a specially crafted request. This may result in a denial of service (router process crash) or possibly have unspecified other impact.
The bug was discovered 02/07/2019. The weakness was shared 02/08/2019 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2019-7401 since 02/05/2019. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available.
The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k.
Upgrading to version 1.7.1 eliminates this vulnerability.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.5VulDB Meta Temp Score: 8.4
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 9.8
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Memory corruptionCWE: CWE-119
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 |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Unit 1.7.1
Timeline
02/05/2019 🔍02/07/2019 🔍
02/08/2019 🔍
02/08/2019 🔍
08/13/2025 🔍
Sources
Advisory: securityfocus.com⛔Status: Confirmed
CVE: CVE-2019-7401 (🔍)
GCVE (CVE): GCVE-0-2019-7401
GCVE (VulDB): GCVE-100-130644
SecurityFocus: 106956
Entry
Created: 02/08/2019 09:40Updated: 08/13/2025 01:53
Changes: 02/08/2019 09:40 (58), 05/09/2020 09:18 (2), 07/06/2023 19:50 (4), 08/13/2025 01:53 (17)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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