CVE-2021-20680

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
Cross-site scripting vulnerability in NEC Aterm devices (Aterm WG1900HP2 firmware Ver.1.3.1 and earlier, Aterm WG1900HP firmware Ver.2.5.1 and earlier, Aterm WG1800HP4 firmware Ver.1.3.1 and earlier, Aterm WG1800HP3 firmware Ver.1.5.1 and earlier, Aterm WG1200HS2 firmware Ver.2.5.0 and earlier, Aterm WG1200HP3 firmware Ver.1.3.1 and earlier, Aterm WG1200HP2 firmware Ver.2.5.0 and earlier, Aterm W1200EX firmware Ver.1.3.1 and earlier, Aterm W1200EX-MS firmware Ver.1.3.1 and earlier, Aterm WG1200HS firmware all versions Aterm WG1200HP firmware all versions Aterm WF800HP firmware all versions Aterm WF300HP2 firmware all versions Aterm WR8165N firmware all versions Aterm W500P firmware all versions, and Aterm W300P firmware all versions) allows remote attackers to inject arbitrary script or HTML via unspecified vectors.
Overview
  • CVE ID
  • CVE-2021-20680
  • Assigner
  • vultures@jpcert.or.jp
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-26T01:15:07
  • Last Modified Date
  • 2021-05-05T21:16:20
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
AND
cpe:2.3:o:nec:aterm_wg1900hp2_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.1
cpe:2.3:h:nec:aterm_wg1900hp2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1900hp_firmware:*:*:*:*:*:*:*:* 1 OR 2.5.1
cpe:2.3:h:nec:aterm_wg1900hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1800hp4_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.1
cpe:2.3:h:nec:aterm_wg1800hp4:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1800hp3_firmware:*:*:*:*:*:*:*:* 1 OR 1.5.1
cpe:2.3:h:nec:aterm_wg1800hp3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1200hs3_firmware:*:*:*:*:*:*:*:* 1 OR 1.1.2
cpe:2.3:h:nec:aterm_wg1200hs3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1200hs2_firmware:*:*:*:*:*:*:*:* 1 OR 2.5.0
cpe:2.3:h:nec:aterm_wg1200hs2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1200hp3_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.1
cpe:2.3:h:nec:aterm_wg1200hp3:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1200hp2_firmware:*:*:*:*:*:*:*:* 1 OR 2.5.0
cpe:2.3:h:nec:aterm_wg1200hp2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_w1200ex_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.1
cpe:2.3:h:nec:aterm_w1200ex:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_w1200ex-ms_firmware:*:*:*:*:*:*:*:* 1 OR 1.3.1
cpe:2.3:h:nec:aterm_w1200ex-ms:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1200hs_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_wg1200hs:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wg1200hp_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_wg1200hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wf800hp_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_wf800hp:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wf300hp2_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_wf300hp2:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_wr8165n_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_wr8165n:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_w500p_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_w500p:-:*:*:*:*:*:*:* 0 OR
AND
cpe:2.3:o:nec:aterm_w300p_firmware:*:*:*:*:*:*:*:* 1 OR
cpe:2.3:h:nec:aterm_w300p:-:*:*:*:*:*:*:* 0 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://jpn.nec.com/security-info/secinfo/nv21-008.html Vendor Advisory
https://jvn.jp/en/jp/JVN67456944/index.html Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20680
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20680
History
Created Old Value New Value Data Type Notes
2022-05-10 16:16:52 Added to TrackCVE
2022-12-06 02:46:35 2021-04-26T01:15Z 2021-04-26T01:15:07 CVE Published Date updated
2022-12-06 02:46:35 2021-05-05T21:16:20 CVE Modified Date updated
2022-12-06 02:46:35 Analyzed Vulnerability Status updated