CVE-2021-25849
HIGHCVSS 7.5/10EPSS 1.03%
Last modified
CVE-2021-25849 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. An integer underflow was discovered in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, improper validation of the PortID TLV leads to Denial of Service via a crafted lldp packet.. EPSS estimates a 1.03% chance of exploitation in the next 30 days.
Description
An integer underflow was discovered in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, improper validation of the PortID TLV leads to Denial of Service via a crafted lldp packet.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Moxa | Vport 06ec-2v26m Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v36m-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v36m-Ct Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v36m-Ct-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v42m Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v42m-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v42m-Ct Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v42m-Ct-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v60m Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v60m-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v60m-Ct Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v60m-Ct-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v80m Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v80m-T Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v80m-Ct Firmware | <= 1.1 |
| Moxa | Vport 06ec-2v80m-Ct-T Firmware | <= 1.1 |
References
- https://www.moxa.com/en/Vendor Advisory
- https://www.moxa.com/en/Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-25849?
An integer underflow was discovered in userdisk/vport_lldpd in Moxa Camera VPort 06EC-2V Series, version 1.1, improper validation of the PortID TLV leads to Denial of Service via a crafted lldp packet.
How severe is CVE-2021-25849?
CVE-2021-25849 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 1.03% probability of exploitation in the next 30 days.
How do I fix CVE-2021-25849?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-25849?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST