Resource exhaustion in Lldpd_project Lldpd
CVE-2020-27827
A flaw was found in multiple versions of OpenvSwitch. Specially crafted LLDP packets can cause memory to be lost when allocating data to handle specific optional TLVs, potentially causing a denial of service. The highest threat from this v…
Vulnerability class: DoS (Denial of Service)
EPSS: 0.032 (86.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Lldpd_project Lldpd
- Openvswitch
- Siemens Simatic_hmi_unified_comfort_panels
- Siemens Simatic_hmi_unified_comfort_panels_firmware
- Siemens Simatic_net_cp_1243-1
- Siemens Simatic_net_cp_1243-1_firmware
- Siemens Simatic_net_cp_1243-8_irc
- Siemens Simatic_net_cp_1243-8_irc_firmware
- Siemens Simatic_net_cp_1542sp-1
- Siemens Simatic_net_cp_1542sp-1_firmware
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (Patch, Third Party Advisory, Mitigation, Issue Tracking)
- secalert@redhat.com (Mailing List, Mitigation, Vendor Advisory)
- secalert@redhat.com (Patch, Third Party Advisory)
- secalert@redhat.com (US Government Resource, Third Party Advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
- secalert@redhat.com (vendor-advisory)
Frequently asked questions
- What is CVE-2020-27827?
- CVE-2020-27827 is a high-severity vulnerability in Lldpd_project Lldpd, classified under Uncontrolled Resource Consumption. CVSS score: 7.5/10. Published 2021-03-18.
- How severe is CVE-2020-27827?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2020-27827 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.