5.3
MEDIUM
CVE-2023-37482
Apache Web Server Timing Attack
Description

The login functionality of the web server in affected devices does not normalize the response times of login attempts. An unauthenticated remote attacker could exploit this side-channel information to distinguish between valid and invalid usernames.

INFO

Published Date :

Feb. 11, 2025, 11:15 a.m.

Last Modified :

Feb. 11, 2025, 11:15 a.m.

Source :

[email protected]

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-37482 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 simatic_s7-1500_software_controller_firmware
2 Siemens simatic_drive_controller_cpu_1504d_tf_firmware
3 Siemens simatic_drive_controller_cpu_1507d_tf_firmware
4 Siemens simatic_s7-1500_cpu_1510sp_f-1_pn_firmware
5 Siemens simatic_s7-1500_cpu_1510sp-1_pn_firmware
6 Siemens simatic_s7-1500_cpu_1511-1_pn_firmware
7 Siemens simatic_s7-1500_cpu_1511c-1_pn_firmware
8 Siemens simatic_s7-1500_cpu_1511f-1_pn_firmware
9 Siemens simatic_s7-1500_cpu_1511t-1_pn_firmware
10 Siemens simatic_s7-1500_cpu_1511tf-1_pn_firmware
11 Siemens simatic_s7-1500_cpu_1512c-1_pn_firmware
12 Siemens simatic_s7-1500_cpu_1512sp_f-1_pn_firmware
13 Siemens simatic_s7-1500_cpu_1512sp-1_pn_firmware
14 Siemens simatic_s7-1500_cpu_1513-1_pn_firmware
15 Siemens simatic_s7-1500_cpu_1513f-1_pn_firmware
16 Siemens simatic_s7-1500_cpu_1513r-1_pn_firmware
17 Siemens simatic_s7-1500_cpu_1515-2_pn_firmware
18 Siemens simatic_s7-1500_cpu_1515f-2_pn_firmware
19 Siemens simatic_s7-1500_cpu_1515r-2_pn_firmware
20 Siemens simatic_s7-1500_cpu_1515t-2_pn_firmware
21 Siemens simatic_s7-1500_cpu_1515tf-2_pn_firmware
22 Siemens simatic_s7-1500_cpu_1516-3_pn\/dp_firmware
23 Siemens simatic_s7-1500_cpu_1516f-3_pn\/dp_firmware
24 Siemens simatic_s7-1500_cpu_1516t-3_pn\/dp_firmware
25 Siemens simatic_s7-1500_cpu_1516tf-3_pn\/dp_firmware
26 Siemens simatic_s7-1500_cpu_1517-3_pn\/dp_firmware
27 Siemens simatic_s7-1500_cpu_1517f-3_pn\/dp_firmware
28 Siemens simatic_s7-1500_cpu_1517h-3_pn_firmware
29 Siemens simatic_s7-1500_cpu_1517t-3_pn\/dp_firmware
30 Siemens simatic_s7-1500_cpu_1517tf-3_pn\/dp_firmware
31 Siemens simatic_s7-1500_cpu_1518-4_pn\/dp_firmware
32 Siemens simatic_s7-1500_cpu_1518-4_pn\/dp_mfp_firmware
33 Siemens simatic_s7-1500_cpu_1518f-4_pn\/dp_mfp_firmware
34 Siemens simatic_s7-1500_cpu_1518hf-4_pn_firmware
35 Siemens simatic_s7-1500_cpu_1518t-4_pn\/dp_firmware
36 Siemens simatic_s7-1500_cpu_1518tf-4_pn\/dp_firmware
37 Siemens siplus_s7-1500_cpu_1517h-3_pn_firmware
38 Siemens siplus_s7-1500_cpu_1518-4_pn\/dp_firmware
39 Siemens siplus_s7-1500_cpu_1518-4_pn\/dp_mfp_firmware
40 Siemens siplus_s7-1500_cpu_1518f-4_pn\/dp_firmware
41 Siemens simatic_s7-1500_cpu_1514sp-2_pn_firmware
42 Siemens simatic_s7-1500_cpu_1514sp_f-2_pn_firmware
43 Siemens simatic_s7-1500_cpu_1514spt-2_pn_firmware
44 Siemens simatic_s7-1500_cpu_1514spt_f-2_pn_firmware
45 Siemens simatic_s7-1500_cpu_1518f-4_pn\/dp_firmware
46 Siemens simatic_s7-plcsim_advanced_firmware
47 Siemens siplus_s7-1500_cpu_1518hf-4_pn_firmware
: Total Affected Vendor : 1 | Products : 47
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-2023-37482.

URL Resource
https://cert-portal.siemens.com/productcert/html/ssa-195895.html

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-2023-37482 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-37482 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.

  • New CVE Received by [email protected]

    Feb. 11, 2025

    Action Type Old Value New Value
    Added Description The login functionality of the web server in affected devices does not normalize the response times of login attempts. An unauthenticated remote attacker could exploit this side-channel information to distinguish between valid and invalid usernames.
    Added CVSS V4.0 AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
    Added CWE CWE-203
    Added Reference https://cert-portal.siemens.com/productcert/html/ssa-195895.html
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-2023-37482 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-37482 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
: