Vulnerability Name:

CVE-2021-29998 (CCN-199987)

Assigned:2021-04-02
Published:2021-04-02
Updated:2022-10-05
Summary:An issue was discovered in Wind River VxWorks before 6.5. There is a possible heap overflow in dhcp client.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-787
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2021-29998

Source: CONFIRM
Type: Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-560465.pdf

Source: CONFIRM
Type: Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-910883.pdf

Source: XF
Type: UNKNOWN
windriver-vxworks-cve202129998-bo(199987)

Source: CCN
Type: Wind River Web site
Wind River Support Network

Source: MISC
Type: Vendor Advisory
https://support2.windriver.com/index.php?page=security-notices

Source: MISC
Type: Third Party Advisory, US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-194-12

Vulnerable Configuration:Configuration 1:
  • cpe:/o:windriver:vxworks:*:*:*:*:*:*:*:* (Version < 6.5)

    • Configuration 2:
  • cpe:/o:siemens:ruggedcom_win_subscriber_station_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:ruggedcom_win_subscriber_station:-:*:*:*:*:*:*:*

    • Configuration 3:
  • cpe:/o:siemens:scalance_x200-4_p_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x200-4_p_irt:-:*:*:*:*:*:*:*

    • Configuration 4:
  • cpe:/o:siemens:scalance_x201-3p_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x201-3p_irt:-:*:*:*:*:*:*:*

    • Configuration 5:
  • cpe:/o:siemens:scalance_x201-3p_irt_pro_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x201-3p_irt_pro:-:*:*:*:*:*:*:*

    • Configuration 6:
  • cpe:/o:siemens:scalance_x202-2pirt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x202-2_irt:-:*:*:*:*:*:*:*

    • Configuration 7:
  • cpe:/o:siemens:scalance_x202-2p_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x202-2p_irt:-:*:*:*:*:*:*:*

    • Configuration 8:
  • cpe:/o:siemens:scalance_x202-2p_irt_pro_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x202-2p_irt_pro:-:*:*:*:*:*:*:*

    • Configuration 9:
  • cpe:/o:siemens:scalance_x204_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204_irt:-:*:*:*:*:*:*:*

    • Configuration 10:
  • cpe:/o:siemens:scalance_x204_irt_pro_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204_irt_pro:-:*:*:*:*:*:*:*

    • Configuration 11:
  • cpe:/o:siemens:scalance_x204-2_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204-2:-:*:*:*:*:*:*:*

    • Configuration 12:
  • cpe:/o:siemens:scalance_x204-2fm_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204-2fm:-:*:*:*:*:*:*:*

    • Configuration 13:
  • cpe:/o:siemens:scalance_x204-2ld_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204-2ld:-:*:*:*:*:*:*:*

    • Configuration 14:
  • cpe:/o:siemens:scalance_x204-2ld_ts_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204-2ld_ts:-:*:*:*:*:*:*:*

    • Configuration 15:
  • cpe:/o:siemens:scalance_x204-2ts_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x204-2ts:-:*:*:*:*:*:*:*

    • Configuration 16:
  • cpe:/o:siemens:scalance_x206-1_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x206-1:-:*:*:*:*:*:*:*

    • Configuration 17:
  • cpe:/o:siemens:scalance_x206-1ld_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x206-1ld:-:*:*:*:*:*:*:*

    • Configuration 18:
  • cpe:/o:siemens:scalance_x208_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x208:-:*:*:*:*:*:*:*

    • Configuration 19:
  • cpe:/o:siemens:scalance_x208_pro_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x208_pro:-:*:*:*:*:*:*:*

    • Configuration 20:
  • cpe:/o:siemens:scalance_x212-2_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x212-2:-:*:*:*:*:*:*:*

    • Configuration 21:
  • cpe:/o:siemens:scalance_x212-2ld_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x212-2ld:-:*:*:*:*:*:*:*

    • Configuration 22:
  • cpe:/o:siemens:scalance_x216_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x216:-:*:*:*:*:*:*:*

    • Configuration 23:
  • cpe:/o:siemens:scalance_x224_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x224:-:*:*:*:*:*:*:*

    • Configuration 24:
  • cpe:/o:siemens:scalance_x300_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x300:-:*:*:*:*:*:*:*

    • Configuration 25:
  • cpe:/o:siemens:scalance_x408_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_x408:-:*:*:*:*:*:*:*

    • Configuration 26:
  • cpe:/o:siemens:scalance_xf201-3p_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf201-3p_irt:-:*:*:*:*:*:*:*

    • Configuration 27:
  • cpe:/o:siemens:scalance_xf202-2p_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf202-2p_irt:-:*:*:*:*:*:*:*

    • Configuration 28:
  • cpe:/o:siemens:scalance_xf204_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf204:-:*:*:*:*:*:*:*

    • Configuration 29:
  • cpe:/o:siemens:scalance_xf204_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf204_irt:-:*:*:*:*:*:*:*

    • Configuration 30:
  • cpe:/o:siemens:scalance_xf204-2_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf204-2:-:*:*:*:*:*:*:*

    • Configuration 31:
  • cpe:/o:siemens:scalance_xf204-2ba_irt_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf204-2ba_irt:-:*:*:*:*:*:*:*

    • Configuration 32:
  • cpe:/o:siemens:scalance_xf206-1_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf206-1:-:*:*:*:*:*:*:*

    • Configuration 33:
  • cpe:/o:siemens:scalance_xf208_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:scalance_xf208:-:*:*:*:*:*:*:*

    • Configuration 34:
  • cpe:/o:siemens:simatic_rf_181_eip_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:simatic_rf_181_eip:-:*:*:*:*:*:*:*

    • Configuration 35:
  • cpe:/o:siemens:simatic_rf_182c_firmware:*:*:*:*:*:*:*:*
  • AND
  • cpe:/h:siemens:simatic_rf_182c:-:*:*:*:*:*:*:*

    • Configuration 36:
  • cpe:/o:siemens:sinamics_perfect_harmony_gh180_firmware:*:*:*:*:*:*:*:* (Version >= 2015 and < 2022)
  • AND
  • cpe:/h:siemens:sinamics_perfect_harmony_gh180:-:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:windriver:vxworks:6.5:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    windriver vxworks *
    siemens ruggedcom win subscriber station firmware *
    siemens ruggedcom win subscriber station -
    siemens scalance x200-4 p irt firmware *
    siemens scalance x200-4 p irt -
    siemens scalance x201-3p irt firmware *
    siemens scalance x201-3p irt -
    siemens scalance x201-3p irt pro firmware *
    siemens scalance x201-3p irt pro -
    siemens scalance x202-2pirt firmware *
    siemens scalance x202-2 irt -
    siemens scalance x202-2p irt firmware *
    siemens scalance x202-2p irt -
    siemens scalance x202-2p irt pro firmware *
    siemens scalance x202-2p irt pro -
    siemens scalance x204 irt firmware *
    siemens scalance x204 irt -
    siemens scalance x204 irt pro firmware *
    siemens scalance x204 irt pro -
    siemens scalance x204-2 firmware *
    siemens scalance x204-2 -
    siemens scalance x204-2fm firmware *
    siemens scalance x204-2fm -
    siemens scalance x204-2ld firmware *
    siemens scalance x204-2ld -
    siemens scalance x204-2ld ts firmware *
    siemens scalance x204-2ld ts -
    siemens scalance x204-2ts firmware *
    siemens scalance x204-2ts -
    siemens scalance x206-1 firmware *
    siemens scalance x206-1 -
    siemens scalance x206-1ld firmware *
    siemens scalance x206-1ld -
    siemens scalance x208 firmware *
    siemens scalance x208 -
    siemens scalance x208 pro firmware *
    siemens scalance x208 pro -
    siemens scalance x212-2 firmware *
    siemens scalance x212-2 -
    siemens scalance x212-2ld firmware *
    siemens scalance x212-2ld -
    siemens scalance x216 firmware *
    siemens scalance x216 -
    siemens scalance x224 firmware *
    siemens scalance x224 -
    siemens scalance x300 firmware *
    siemens scalance x300 -
    siemens scalance x408 firmware *
    siemens scalance x408 -
    siemens scalance xf201-3p irt firmware *
    siemens scalance xf201-3p irt -
    siemens scalance xf202-2p irt firmware *
    siemens scalance xf202-2p irt -
    siemens scalance xf204 firmware *
    siemens scalance xf204 -
    siemens scalance xf204 irt firmware *
    siemens scalance xf204 irt -
    siemens scalance xf204-2 firmware *
    siemens scalance xf204-2 -
    siemens scalance xf204-2ba irt firmware *
    siemens scalance xf204-2ba irt -
    siemens scalance xf206-1 firmware *
    siemens scalance xf206-1 -
    siemens scalance xf208 firmware *
    siemens scalance xf208 -
    siemens simatic rf 181 eip firmware *
    siemens simatic rf 181 eip -
    siemens simatic rf 182c firmware *
    siemens simatic rf 182c -
    siemens sinamics perfect harmony gh180 firmware *
    siemens sinamics perfect harmony gh180 -
    windriver vxworks 6.5