8.6
HIGH
CVE-2023-20018
Cisco IP Phone 7800 and 8800 Series Phones Authentication Bypass Vulnerability
Description

A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication.

INFO

Published Date :

Jan. 20, 2023, 7:15 a.m.

Last Modified :

Nov. 21, 2024, 7:40 a.m.

Remotely Exploitable :

Yes !

Impact Score :

4.7

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2023-20018 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 Cisco ip_phone_8821_firmware
2 Cisco ip_phone_8821-ex_firmware
3 Cisco ip_phone_8800_firmware
4 Cisco ip_phone_7800_firmware
5 Cisco ip_phone_7811_firmware
6 Cisco ip_phone_7821_firmware
7 Cisco ip_phone_7832_firmware
8 Cisco ip_phone_7841_firmware
9 Cisco ip_phone_7861_firmware
10 Cisco ip_phone_8811_firmware
11 Cisco ip_phone_8831_firmware
12 Cisco ip_phone_8832_firmware
13 Cisco ip_phone_8841_firmware
14 Cisco ip_phone_8845_firmware
15 Cisco ip_phone_8851_firmware
16 Cisco ip_phone_8861_firmware
17 Cisco ip_phone_8865_firmware
18 Cisco ip_phones_8832_firmware
19 Cisco unified_ip_phone_8851nr_firmware
20 Cisco unified_ip_phone_8865nr_firmware
21 Cisco wireless_ip_phone_8821_firmware
22 Cisco wireless_ip_phone_8821-ex_firmware
23 Cisco ip_phone_7861
24 Cisco ip_phone_8800
25 Cisco ip_phone_8851
26 Cisco ip_phone_7800
27 Cisco ip_phone_7811
28 Cisco ip_phone_7821
29 Cisco ip_phone_7841
30 Cisco ip_phone_8811
31 Cisco ip_phone_8841
32 Cisco ip_phone_8845
33 Cisco ip_phone_8861
34 Cisco ip_phone_8865
35 Cisco ip_phone_8821
36 Cisco ip_phone_8821-ex
37 Cisco wireless_ip_phone_8821
38 Cisco wireless_ip_phone_8821-ex
39 Cisco ip_phone_7832
40 Cisco ip_phone_8831
41 Cisco ip_phone_8832
42 Cisco unified_ip_phone_8851nr
43 Cisco unified_ip_phone_8865nr
44 Cisco ip_phones_8832
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-2023-20018.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR Vendor Advisory
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR Vendor Advisory

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-2023-20018 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2023-20018 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 af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR
  • CVE Modified by [email protected]

    May. 14, 2024

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

    Jan. 25, 2024

    Action Type Old Value New Value
    Added CWE Cisco Systems, Inc. CWE-288
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Changed Description A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication. A vulnerability in the web-based management interface of Cisco IP Phone 7800 and 8800 Series Phones could allow an unauthenticated, remote attacker to bypass authentication on an affected device. This vulnerability is due to insufficient validation of user-supplied input. An attacker could exploit this vulnerability by sending a crafted request to the web-based management interface. A successful exploit could allow the attacker to access certain parts of the web interface that would normally require authentication.
  • Initial Analysis by [email protected]

    Feb. 01, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
    Changed Reference Type https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR No Types Assigned https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR Vendor Advisory
    Added CWE NIST CWE-863
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_7800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7811_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_7811:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7821_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_7821:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7832_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_7832:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7841_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_7841:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_7861_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_7861:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8800_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8800:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8811_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8811:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8821_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8821:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8821-ex_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8821-ex:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8831_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8831:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8832_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8832:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8841_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8841:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8845_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8845:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8851_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8851:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8861_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8861:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phone_8865_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phone_8865:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:ip_phones_8832_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:ip_phones_8832:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_ip_phone_8851nr_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:unified_ip_phone_8851nr:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:unified_ip_phone_8865nr_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 14.1\(1\)sr2 OR cpe:2.3:h:cisco:unified_ip_phone_8865nr:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:wireless_ip_phone_8821_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 11.0\(6\)sr4 OR cpe:2.3:h:cisco:wireless_ip_phone_8821:-:*:*:*:*:*:*:*
    Added CPE Configuration AND OR *cpe:2.3:o:cisco:wireless_ip_phone_8821-ex_firmware:*:*:*:*:*:*:*:* versions up to (excluding) 11.0\(6\)sr4 OR cpe:2.3:h:cisco:wireless_ip_phone_8821-ex:-:*:*:*:*:*:*:*
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-2023-20018 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-2023-20018 weaknesses.

Exploit Prediction

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

0.11 }} 0.01%

score

0.44889

percentile

CVSS31 - Vulnerability Scoring System
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