CVE-2020-13988

mediumPriorität · verfolgen · 31Stack-Kampagne · AMNESIA:33EPSS 0.040 · 90. PerzentilDEEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.96% (90th) EPSS

CVSS 5 · medium

Is it mine?

39 products

Prüfe deine Angriffsfläche

Who says so?

6 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · bewertet 2026-10-27

An issue was discovered in Contiki through 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP MSS options of IPv4 network packets in uip_process in net/ipv4/uip.c.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Ein Hersteller-Fix ist verfügbar.

BehobenSENTRON 3VA COM100/800siemens_psirt
Update to V4.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109765343/
BehobenSENTRON 3VA DSP800siemens_psirt
Update to V2.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109761031/
BehobenSENTRON PAC2200 (without MID Approval)siemens_psirt
Update to V3.0.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/109760897/
BehobenSENTRON PAC3200siemens_psirt
Update to V2.4.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/31674577/
BehobenSENTRON PAC3200Tsiemens_psirt
Update to V3.0.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793060/
BehobenSENTRON PAC4200siemens_psirt
Update to V2.0.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/35029840/
BehobenSIRIUS 3RW5 communication module Modbus TCPsiemens_psirt
Update to V1.1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109759671/
BehobenFNETcisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenNut/Netcisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
Behobenopen-iscsicisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenpicoTCP (EOL)cisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenpicoTCP-NGcisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenuIP (EOL)cisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenuIP-Contiki-NGcisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenuIP-Contiki-OS (end-of-life [EOL])cisa_csaf_ot
Additional vendors affected by the reported vulnerabilities have also released security advisories related to their affected products. Those advisories are as follows:
https://yanzi.dev/#/security/advisories/2020-12-08
BehobenSENTRON 3VA COM100/800cisa_csaf_ot
Update to V4.2 or later version
https://support.industry.siemens.com/cs/ww/en/view/109765343/
BehobenSENTRON 3VA DSP800cisa_csaf_ot
Update to V2.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109761031/
BehobenSENTRON PAC2200 (without MID Approval)cisa_csaf_ot
Update to V3.0.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/109760897/
BehobenSENTRON PAC3200cisa_csaf_ot
Update to V2.4.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/31674577/
BehobenSENTRON PAC3200Tcisa_csaf_ot
Update to V3.0.5 or later version
https://support.industry.siemens.com/cs/ww/en/view/109793060/
BehobenSENTRON PAC4200cisa_csaf_ot
Update to V2.0.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/35029840/
BehobenSIRIUS 3RW5 communication module Modbus TCPcisa_csaf_ot
Update to V1.1.1 or later version
https://support.industry.siemens.com/cs/ww/en/view/109759671/
MitigationSENTRON 3VA COM100/800siemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON 3VA DSP800siemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC2200 (without MID Approval)siemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC3200siemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC3200Tsiemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC4200siemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSIRIUS 3RW5 communication module Modbus TCPsiemens_psirt
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON 3VA COM100/800cisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON 3VA DSP800cisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC2200 (without MID Approval)cisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC3200cisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC3200Tcisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSENTRON PAC4200cisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.
MitigationSIRIUS 3RW5 communication module Modbus TCPcisa_csaf_ot
For successful exploitation, an attacking system must be located in the same Modbus TCP segment as a vulnerable device. Therefore ensure that only trusted systems are attached to that segment and only trusted persons have access.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

7.5

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–high · 5–7.5

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USAusnutzbarkeit 10 · Auswirkung 2.9

v3.17.5highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 3.6

v3.07.5highCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · CISA US

v3.16.5mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · CISA US

v3.17.5highAV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:Hsecondary · FSTEC (BDU) RU

v3.16.5mediumCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csecondary · Siemens ProductCERT DE

v3.16.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-190USprimärCWE-190USCWE-190USCWE-190US

betroffene Produkte (39)

Betroffene Produkte und Versionsbereiche.

Open Source TCP/IP Stackalle Versionencert_bundDEcpe:/a:open_source:tcpip_stack:-
SUSE Linuxalle Versionencert_bundDEcpe:/o:suse:suse_linux:-
Ubuntu Linuxalle Versionencert_bundDEcpe:/o:canonical:ubuntu_linux:-
Unify OpenScape 4000alle Versionencert_bundDEcpe:/h:unify:openscape_4000:-
Unify OpenScape Alarm Responsealle Versionencert_bundDEcpe:/h:unify:openscape_alarm_response:-
Unify OpenScape Businessalle Versionencert_bundDEcpe:/a:unify:openscape_business:-
Unify OpenScape Common Management Platformalle Versionencert_bundDEcpe:/a:unify:openscape_common_management_platform:-
Unify OpenScape Cordless IPalle Versionencert_bundDEcpe:/a:unify:openscape_cordless_ip:-
Unify OpenScape Desk Phonealle Versionencert_bundDEcpe:/h:unify:openscape_deskphone:-
Unify OpenScape Xpertalle Versionencert_bundDEcpe:/h:unify:openscape_xpert:-
SENTRON 3VA COM100/800alle Versionencisa_csaf_otUS
SENTRON 3VA DSP800alle Versionencisa_csaf_otUS
SENTRON PAC2200 (without MID Approval)alle Versionencisa_csaf_otUS
SENTRON PAC3200alle Versionencisa_csaf_otUS
SENTRON PAC3200Talle Versionencisa_csaf_otUS
SENTRON PAC4200alle Versionencisa_csaf_otUS
SIRIUS 3RW5 communication module Modbus TCPalle Versionencisa_csaf_otUS
Siemens SENTRON 3VA COM100/800< V4.2cisa_csaf_otUS
Siemens SENTRON 3VA DSP800< V2.0cisa_csaf_otUS
Siemens SENTRON PAC2200 (without MID Approval)< V3.0.5cisa_csaf_otUS

20 von 39 angezeigt

Advisories (4)

Hersteller- und Ökosystem-Meldungen dazu.

SSA-541017SSA-541017: Embedded TCP/IP Stack Vulnerabilities (AMNESIA:33) in SIRIUS 3RW5 Modbus TCP and SENTRON PAC / 3VA Devices2020-12-08csaf · siemens_psirtDE
Security researchers discovered and disclosed 33 vulnerabilities in several open-source TCP/IP stacks for embedded devices, also known as "AMNESIA:33" vulnerabilities. This advisory describes the impact of one of these vulnerabilities (CVE-2020-13988) to Siemens products. Siemens has released updates for the affected products and recommends to update to the latest versions. The impact of additional "AMNESIA:33" vulnerabilities is described in Siemens Security Advisory SSA-541018.
WID-SEC-W-2022-1044TCP/IP Stack: Mehrere SchwachstellenDeutsch2020-12-08csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in TCP/IP Stack ausnutzen, um beliebigen Programmcode mit Administratorrechten auszuführen, einen Denial of Service Angriff durchzuführen, vertrauliche Daten einzusehen oder Daten zu manipulieren.
ICSA-20-343-01Multiple Embedded TCP/IP Stacks2020-12-08icsa · cisa_csaf_otUS
Successful exploitation of these vulnerabilities could allow attackers to corrupt memory, put devices into infinite loops, access unauthorized data, and/or poison DNS cache.
ICSA-20-343-05Siemens Embedded TCP/IP Stack Vulnerabilities-AMNESIA:33 (Update C)2020-12-08icsa · cisa_csaf_otUS
Security researchers discovered and disclosed 33 vulnerabilities in several open-source TCP/IP stacks for embedded devices, also known as "AMNESIA:33" vulnerabilities. This advisory describes the impact of one of these vulnerabilities (CVE-2020-13988) to Siemens products. Siemens has released updates for the affected products and recommends to update to the latest versions. The impact of additional "AMNESIA:33" vulnerabilities is described in Siemens Security Advisory SSA-541018.

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu cert_bund cisa_csaf_ot siemens_psirt NVD CVE.org MITRE

veröffentlicht 2020-12-11geändert 2026-06-17

verwandt (4,653)

Verwandte Einträge.

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CVE-2024-38080US	—OT kritisch	7.12% (94th)	KEV	2024-07-09
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CVE-2023-33107US	high7.8OT kritisch	0.74% (54th)	KEV	2023-12-05
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+4648 weitere

Referenzen (15)

Externe Belege — Patches, Meldungen, Analysen.

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