CVE-2021-27420

CVSS V2 Medium 5 CVSS V3 Medium 5.3
Description
GE UR firmware versions prior to version 8.1x web server task does not properly handle receipt of unsupported HTTP verbs, resulting in the web server becoming temporarily unresponsive after receiving a series of unsupported HTTP requests. When unresponsive, the web server is inaccessible. By itself, this is not particularly significant as the relay remains effective in all other functionality and communication channels.
Overview
  • CVE ID
  • CVE-2021-27420
  • Assigner
  • ics-cert@hq.dhs.gov
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2022-03-23T20:15:08
  • Last Modified Date
  • 2022-04-01T18:25:19
Weakness Enumerations
CWE URL
CWE-20 http://cwe.mitre.org/data/definitions/20.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:ge:multilin_b30_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_b30:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_b90_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_b90:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_c60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_c60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_c70_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_c70:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_c95_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_c95:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_d30_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_d30:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_d60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_d60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_f35_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_f35:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_f60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_f60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_g30_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_g30:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_g60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_g60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_l30_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_l30:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_l60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_l60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_l90_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_l90:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_m60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_m60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_n60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_n60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_t35_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_t35:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_t60_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_t60:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:ge:multilin_c30_firmware:*:*:*:*:*:*:*:* 1 OR 8.10
cpe:2.3:h:ge:multilin_c30:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • LOW
  • Base Score
  • 5.3
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 3.9
  • Impact Score
  • 1.4
References
Reference URL Reference Tags
https://www.cisa.gov/uscert/ics/advisories/icsa-21-075-02 Mitigation Third Party Advisory US Government Resource
https://www.gegridsolutions.com/Passport/Login.aspx Permissions Required Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-27420
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27420
History
Created Old Value New Value Data Type Notes
2022-04-04 00:38:59 Added to TrackCVE
2022-12-06 13:06:20 2022-03-23T20:15Z 2022-03-23T20:15:08 CVE Published Date updated
2022-12-06 13:06:21 2022-04-01T18:25:19 CVE Modified Date updated
2022-12-06 13:06:21 Analyzed Vulnerability Status updated