PNV-A6081R: Improper Verification of Cryptographic Signature
CVE-2023-5747 is a high-severity improper verification of cryptographic signature vulnerability in PNV-A6081R from Hanwha Vision, with a CVSS 3.1 base score of 8.8 out of 10. It can be exploited remotely over the network by an attacker with a low-privileged account, without any action from a user. Affected PNV-A6081R versions: 2.21.02. The record does not name a fixed version, so check the vendor advisory. There is no confirmed exploitation so far. EPSS estimates a 0.68% chance of exploitation within 30 days, higher than 53% of scored CVEs.
High severity with no evidence of exploitation so far.
What to do
- Update Wave Server Software to 5.1.1.37647 or a later version.
Affected products and versions
| Vendor | Product | Affected versions | Fixed in |
|---|---|---|---|
| Hanwha Vision | PNV-A6081R | 2.21.02 | Not stated |
| Hanwhavision | Wave Server Software | before 5.1.1.37647 | 5.1.1.37647 |
| Hanwhavision | Pno-a6081r-e1t Firmware | 2.21.02 | Not stated |
| Hanwhavision | Pno-a6081r-e2t Firmware | 2.21.02 | Not stated |
Version data comes from the organisation that assigned the CVE. Confirm against the vendor advisory before deciding you are unaffected.
How the severity score breaks down
- Attack vector
- NetworkCan be exploited remotely over a network, including the internet.
- Attack complexity
- LowNo special conditions are needed; the attack works reliably.
- Privileges required
- LowA basic user account is enough.
- User interaction
- NoneNo action by a victim is required.
- Scope
- UnchangedImpact stays within the vulnerable component.
- Confidentiality
- HighAll data handled by the component can be read.
- Integrity
- HighData or code can be modified at will.
- Availability
- HighThe component can be taken down completely.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. Scored by NVD.
| Scoring system | Score | Severity | Scored by |
|---|---|---|---|
| CVSS 3.1 | 7.2 | High | CNA |
| CVSS 3.1 | 8.8 | High | NVD |
Official description
Bashis, a Security Researcher at IPVM has found a flaw that allows for a remote code execution during the installation of Wave on the camera device. The Wave server application in camera device was vulnerable to command injection allowing an attacker to run arbitrary code. HanwhaVision has released patched firmware for the highlighted flaw. Please refer to the hanwhavision security report for more information and solution."
Source: the CVE record as published by its numbering authority, via NVD and CVE.org.
The underlying weakness: Improper Verification of Cryptographic Signature
The product does not verify, or incorrectly verifies, the cryptographic signature for data.
More Improper Verification of Cryptographic Signature vulnerabilities (CWE-347)
Timeline
- CVE record published.
- Record last changed materially (score, affected products, status or references).
References
Third-party and government advisories
Recent Improper Verification of Cryptographic Signature vulnerabilities
- 7.5 High severity
- 7.5 High severity
- 7.8 High severity
- 7.5 High severity
- 8.8 High severity
- 7.8 High severity
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