NVD Vulnerability Detail
Search Exploit, PoC
CVE-2021-21003
Summary

In Phoenix Contact FL SWITCH SMCS series products in multiple versions fragmented TCP-Packets may cause a Denial of Service of Web-, SNMP- and ICMP-Echo services. The switching functionality of the device is not affected.

Publication Date June 26, 2021, 4:15 a.m.
Registration Date June 26, 2021, 10 a.m.
Last Update Nov. 21, 2024, 2:47 p.m.
CVSS3.1 : MEDIUM
スコア 5.3
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃に必要な特権レベル(PR) 不要
利用者の関与(UI) 不要
影響の想定範囲(S) 変更なし
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A)
CVSS2.0 : MEDIUM
Score 5.0
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P
攻撃元区分(AV) ネットワーク
攻撃条件の複雑さ(AC)
攻撃前の認証要否(Au) 不要
機密性への影響(C) なし
完全性への影響(I) なし
可用性への影響(A)
Get all privileges. いいえ
Get user privileges いいえ
Get other privileges いいえ
User operation required いいえ
Affected software configurations
Configuration1 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_16tx_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_16tx:-:*:*:*:*:*:*:*
Configuration2 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_14tx\/2fx_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_14tx\/2fx:-:*:*:*:*:*:*:*
Configuration3 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_14tx\/2fx-sm_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_14tx\/2fx-sm:-:*:*:*:*:*:*:*
Configuration4 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_8gt_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_8gt:-:*:*:*:*:*:*:*
Configuration5 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_6gt\/2sfp_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_6gt\/2sfp:-:*:*:*:*:*:*:*
Configuration6 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_8tx-pn_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_8tx-pn:-:*:*:*:*:*:*:*
Configuration7 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_4tx-pn_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_4tx-pn:-:*:*:*:*:*:*:*
Configuration8 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_8tx_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_8tx:-:*:*:*:*:*:*:*
Configuration9 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smcs_6tx\/2sfp_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smcs_6tx\/2sfp:-:*:*:*:*:*:*:*
Configuration10 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\/2pof-pn_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\/2pof-pn:-:*:*:*:*:*:*:*
Configuration11 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smn_8tx-pn_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smn_8tx-pn:-:*:*:*:*:*:*:*
Configuration12 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\/2fx_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\/2fx:-:*:*:*:*:*:*:*
Configuration13 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_switch_smn_6tx\/2fx_sm_firmware:*:*:*:*:*:*:*:* 4.70
execution environment
1 cpe:2.3:h:phoenixcontact:fl_switch_smn_6tx\/2fx_sm:-:*:*:*:*:*:*:*
Configuration14 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx_firmware:*:*:*:*:*:*:*:* 4.63
execution environment
1 cpe:2.3:h:phoenixcontact:fl_nat_smn_8tx:-:*:*:*:*:*:*:*
Configuration15 or higher or less more than less than
cpe:2.3:o:phoenixcontact:fl_nat_smn_8tx-m_firmware:*:*:*:*:*:*:*:* 4.63
execution environment
1 cpe:2.3:h:phoenixcontact:fl_nat_smn_8tx-m:-:*:*:*:*:*:*:*
Related information, measures and tools
Common Vulnerabilities List

JVN Vulnerability Information
Phoenix Contact FL SWITCH SMCS シリーズ製品におけるリソースの不適切なシャットダウンおよびリリースに関する脆弱性
Title Phoenix Contact FL SWITCH SMCS シリーズ製品におけるリソースの不適切なシャットダウンおよびリリースに関する脆弱性
Summary

Phoenix Contact FL SWITCH SMCS シリーズ製品には、リソースの不適切なシャットダウンおよびリリースに関する脆弱性が存在します。

Possible impacts サービス運用妨害 (DoS) 状態にされる可能性があります。
Solution

ベンダ情報および参考情報を参照して適切な対策を実施してください。

Publication Date June 23, 2021, midnight
Registration Date March 24, 2022, 4:45 p.m.
Last Update March 24, 2022, 4:45 p.m.
Affected System
PHOENIX CONTACT
FL SWITCH SMCS 14TX/2FX ファームウェア 
FL SWITCH SMCS 14TX/2FX-SM ファームウェア 
FL SWITCH SMCS 16TX ファームウェア 
FL SWITCH SMCS 4TX-PN ファームウェア 
FL SWITCH SMCS 6GT/2SFP ファームウェア 
FL SWITCH SMCS 6TX/2SFP ファームウェア 
FL SWITCH SMCS 8GT ファームウェア 
FL SWITCH SMCS 8TX ファームウェア 
FL SWITCH SMCS 8TX-PN ファームウェア 
FL SWITCH SMN 6TX/2POF-PN ファームウェア 
CVE (情報セキュリティ 共通脆弱性識別子)
CWE (共通脆弱性タイプ一覧)
ベンダー情報
その他
Change Log
No Changed Details Date of change
1 [2022年03月24日]
  掲載
March 24, 2022, 4:45 p.m.