CVE-2020-27827
- Source
- https://cve.org/CVERecord?id=CVE-2020-27827
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-27827.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-27827
- Downstream
- Related
- Published
- 2021-03-18T17:15:13.510Z
- Modified
- 2026-05-28T04:05:56.164352040Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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 vulnerability is to system availability.
- Database specific
{ "unresolved_ranges": [ { "extracted_events": [ { "fixed": "17" } ], "source": "CPE_RANGE", "vendor_product": "siemens:simatic_hmi_unified_comfort_panels_firmware", "cpes": [ "cpe:2.3:o:siemens:simatic_hmi_unified_comfort_panels_firmware:*:*:*:*:*:*:*:*" ] }, { "extracted_events": [ { "fixed": "2.0.1" } ], "vendor_product": "siemens:sinumerik_one_firmware", "cpes": [ "cpe:2.3:o:siemens:sinumerik_one_firmware:*:*:*:*:*:*:*:*" ], "source": "CPE_RANGE" }, { "extracted_events": [ { "fixed": "2.2" } ], "source": "CPE_RANGE", "vendor_product": "siemens:tim_1531_irc_firmware", "cpes": [ "cpe:2.3:o:siemens:tim_1531_irc_firmware:*:*:*:*:*:*:*:*" ] }, { "extracted_events": [ { "last_affected": "33" } ], "vendor_product": "fedoraproject:fedora", "cpes": [ "cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*" ], "source": "CPE_STRING" }, { "extracted_events": [ { "last_affected": "7.0" }, { "last_affected": "8.0" } ], "source": "CPE_STRING", "vendor_product": "redhat:enterprise_linux", "cpes": [ "cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*", "cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*" ] }, { "extracted_events": [ { "last_affected": "4.0" } ], "source": "CPE_STRING", "vendor_product": "redhat:openshift_container_platform", "cpes": [ "cpe:2.3:a:redhat:openshift_container_platform:4.0:*:*:*:*:*:*:*" ] }, { "extracted_events": [ { "last_affected": "10" }, { "last_affected": "13" } ], "source": "CPE_STRING", "vendor_product": "redhat:openstack", "cpes": [ "cpe:2.3:a:redhat:openstack:10:*:*:*:*:*:*:*", "cpe:2.3:a:redhat:openstack:13:*:*:*:*:*:*:*" ] }, { "extracted_events": [ { "last_affected": "4.0" } ], "source": "CPE_STRING", "vendor_product": "redhat:virtualization", "cpes": [ "cpe:2.3:a:redhat:virtualization:4.0:*:*:*:*:*:*:*" ] } ] }- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3T5XHPOGIPWCRRPJUE6P3HVC5PTSD5JS/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JYA4AMJXCNF6UPFG36L2TPPT32C242SP/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SKQWHG2SZJZSGC7PXVDAEJYBN7ESDR7D/
- https://mail.openvswitch.org/pipermail/ovs-dev/2021-January/379471.html
- https://security.gentoo.org/glsa/202311-16
- https://us-cert.cisa.gov/ics/advisories/icsa-21-194-07
- https://bugzilla.redhat.com/show_bug.cgi?id=1921438
- https://cert-portal.siemens.com/productcert/pdf/ssa-941426.pdf
Affected packages
Git / github.com/lldpd/lldpd
Affected versions
0.*
0.2
0.2.1
0.3
0.3.1
0.3.2
0.4.0
0.5.0
0.5.1
0.5.2
0.5.4
0.5.5
0.6.0
0.6.1
0.7.0
0.7.1
0.7.10
0.7.11
0.7.12
0.7.13
0.7.14
0.7.15
0.7.16
0.7.2
0.7.3
0.7.4
0.7.5
0.7.6
0.7.7
0.7.8
0.7.9
0.8.0
0.9.0
0.9.1
0.9.2
0.9.3
0.9.4
0.9.5
0.9.6
0.9.7
0.9.8
0.9.9
1.*
1.0.0
1.0.1
1.0.2
1.0.3
1.0.4
1.0.5
1.0.6
1.0.7
Git / github.com/openvswitch/ovs
Affected ranges
- Type
- GIT
- Repo
- https://github.com/openvswitch/ovs
- Events
-
IntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixedIntroducedFixed
- Database specific
{ "extracted_events": [ { "introduced": "2.6.0" }, { "fixed": "2.6.9" }, { "introduced": "2.7.0" }, { "fixed": "2.7.12" }, { "introduced": "2.8.0" }, { "fixed": "2.8.10" }, { "introduced": "2.9.0" }, { "fixed": "2.9.8" }, { "introduced": "2.10.0" }, { "fixed": "2.10.6" }, { "introduced": "2.11.0" }, { "fixed": "2.11.5" }, { "introduced": "2.12.0" }, { "fixed": "2.12.2" }, { "introduced": "2.13.0" }, { "fixed": "2.13.2" }, { "introduced": "2.14.0" }, { "fixed": "2.14.1" } ], "cpe": "cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*", "source": "CPE_RANGE" }
Affected versions
v2.*
v2.10.0
v2.10.1
v2.10.2
v2.10.3
v2.10.4
v2.10.5
v2.11.0
v2.11.1
v2.11.2
v2.11.3
v2.11.4
v2.12.0
v2.12.1
v2.13.0
v2.13.1
v2.14.0
v2.6.0
v2.6.1
v2.6.2
v2.6.3
v2.6.4
v2.6.5
v2.6.6
v2.6.7
v2.6.8
v2.7.0
v2.7.1
v2.7.10
v2.7.11
v2.7.2
v2.7.3
v2.7.4
v2.7.5
v2.7.6
v2.7.7
v2.7.8
v2.7.9
v2.8.0
v2.8.1
v2.8.2
v2.8.3
v2.8.4
v2.8.5
v2.8.6
v2.8.7
v2.8.8
v2.8.9
v2.9.0
v2.9.1
v2.9.2
v2.9.3
v2.9.4
v2.9.5
v2.9.6
v2.9.7