6.8
MEDIUM
CVE-2015-2823
Siemens Authentication Bypass in HMI Panels
Description

Siemens SIMATIC HMI Basic Panels 2nd Generation before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Comfort Panels before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Advanced before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC WinCC Runtime Professional before WinCC (TIA Portal) 13 SP1 Upd2, SIMATIC HMI Basic Panels 1st Generation (WinCC TIA Portal), SIMATIC HMI Mobile Panel 277 (WinCC TIA Portal), SIMATIC HMI Multi Panels (WinCC TIA Portal), and SIMATIC WinCC 7.x before 7.3 Upd4 allow remote attackers to complete authentication by leveraging knowledge of a password hash without knowledge of the associated password.

INFO

Published Date :

April 8, 2015, 4:59 p.m.

Last Modified :

Nov. 28, 2016, 7:21 p.m.

Remotely Exploitable :

Yes !

Impact Score :

6.4

Exploitability Score :

8.6
Affected Products

The following products are affected by CVE-2015-2823 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Siemens wincc
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2015-2823.

URL Resource
http://www.securityfocus.com/bid/74040
http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-487246.pdf Patch Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-487246.pdf

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2015-2823 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2015-2823 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 10, 2020

    Action Type Old Value New Value
    Added Reference https://cert-portal.siemens.com/productcert/pdf/ssa-487246.pdf [No Types Assigned]
  • CVE Modified by [email protected]

    Nov. 28, 2016

    Action Type Old Value New Value
    Added Reference http://www.securityfocus.com/bid/74040 [No Types Assigned]
  • Modified Analysis by [email protected]

    Apr. 09, 2015

    Action Type Old Value New Value
    Added CPE Configuration Configuration 1 OR *cpe:2.3:a:siemens:wincc:7.0:*:*:*:*:*:*:* *cpe:2.3:a:siemens:wincc:7.1:*:*:*:*:*:*:* *cpe:2.3:a:siemens:wincc:7.2:*:*:*:*:*:*:* *cpe:2.3:a:siemens:wincc:7.3:*:*:*:*:*:*:* Configuration 2 AND OR *cpe:2.3:a:siemens:wincc:13.0:sp1:*:*:advanced:*:*:* (and previous) *cpe:2.3:a:siemens:wincc:13.0:sp1:*:*:*:*:*:* (and previous) OR cpe:2.3:h:siemens:simatic_hmi_basic_panels_generation_1:*:*:*:*:*:*:*:* cpe:2.3:h:siemens:simatic_hmi_basic_panels_generation_2:*:*:*:*:*:*:*:* cpe:2.3:h:siemens:simatic_hmi_comfort_panels:*:*:*:*:*:*:*:* cpe:2.3:h:siemens:simatic_hmi_mobile_panel_277:*:*:*:*:*:*:*:* cpe:2.3:h:siemens:simatic_hmi_multi_panels:*:*:*:*:*:*:*:*
    Added CVSS V2 (AV:N/AC:M/Au:N/C:P/I:P/A:P)
    Changed Reference Type http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-487246.pdf No Types Assigned http://www.siemens.com/innovation/pool/de/forschungsfelder/siemens_security_advisory_ssa-487246.pdf Advisory, Patch
    Added CWE CWE-287
  • Initial Analysis by [email protected]

    Apr. 09, 2015

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2015-2823 is associated with the following CWEs:

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.72 }} 0.00%

score

0.77528

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability