Siemens SICAM P850/SICAM P855 prior 3.00 authentication replay

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Siemens SICAM P850 and SICAM P855. This issue affects some unknown processing. The manipulation leads to authentication replay. This vulnerability is referenced as CVE-2022-29878. Remote exploitation of the attack is possible. No exploit is available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Siemens SICAM P850 and SICAM P855 and classified as problematic. This issue affects an unknown code. The manipulation with an unknown input leads to a authentication replay vulnerability. Using CWE to declare the problem leads to CWE-294. A capture-replay flaw exists when the design of the product makes it possible for a malicious user to sniff network traffic and bypass authentication by replaying it to the server in question to the same effect as the original message (or with minor changes). Impacted is confidentiality. The summary by CVE is:

A vulnerability has been identified in SICAM T (All versions < V3.0). Affected devices use a limited range for challenges that are sent during the unencrypted challenge-response communication. An unauthenticated attacker could capture a valid challenge-response pair generated by a legitimate user, and request the webpage repeatedly to wait for the same challenge to reappear for which the correct response is known. This could allow the attacker to access the management interface of the device.

The weakness was published 05/20/2022 as ssa-165073. It is possible to read the advisory at cert-portal.siemens.com. The identification of this vulnerability is CVE-2022-29878 since 04/28/2022. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1040 according to MITRE ATT&CK.

Upgrading to version 3.00 eliminates this vulnerability.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Authentication replay
CWE: CWE-294 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: SICAM P850/SICAM P855 3.00

Timelineinfo

04/28/2022 🔍
05/20/2022 +22 days 🔍
05/20/2022 +0 days 🔍
12/09/2025 +1299 days 🔍

Sourcesinfo

Vendor: siemens.com

Advisory: ssa-165073
Status: Confirmed

CVE: CVE-2022-29878 (🔍)
GCVE (CVE): GCVE-0-2022-29878
GCVE (VulDB): GCVE-100-200435

Entryinfo

Created: 05/20/2022 16:55
Updated: 12/09/2025 17:42
Changes: 05/20/2022 16:55 (38), 05/27/2022 08:17 (1), 12/09/2025 17:42 (43)
Complete: 🔍
Cache ID: 216::103

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