01 Record
CVE-2023-20018
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
HighPUBLISHEDCNA: cisco
CNA base score8.6 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
02 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
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 0.61% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 49.1% of scored records. A rank, not a probability.
- NVD base score
- 6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2023-01-19 01:35Z3 YR AGO
- Last updated
- 2024-08-02 08:57Z2 YR AGO
- Reserved
- 2022-10-27
- Assigning CNA
- cisco
- Record state
- PUBLISHED
- Severity
- High (CVSS 8.6)
- CNA CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H
- Weaknesses
- Data version
- 5.1
- Document digest
- 14a3fd0dd44276cfe319dde5c369534adefd461ccc0830070e1e491b946c1c68
05 Affected products
VendorProductVersionsPlatforms
CiscoCisco Session Initiation Protocol (SIP) Software9.3(4) 3rd Party, 9.3(4)SR3 3rd Party, 9.3(4)SR1 3rd Party, 9.3(4)SR2 3rd Party, 11.0(3)SR3, 11.0(2)SR1, 11.5(1), 11.0(5)SR2, 11.0(2), 11.7(1), 11.0(4)SR3, 11.0(0.7) MPP, 11.0(4)SR2, 11.0(3)SR5, 11.0(3)SR6, 11.0(3), 11.0(4)SR1, 11.0(1) MPP, 11.0(4), 11.0(3)SR4, 11.0(5), 11.0(3)SR1, 11.0(5)SR1, 11.0(3)SR2, 11.0(2)SR2, 11.0(1), 11.5(1)SR1, 11-0-1MSR1-1, 10.4(1) 3rd Party, 10.3(1.11) 3rd Party, 10.2(2), 10.2(1)SR1, 10.1(1.9), 10.1(1)SR2, 10.2(1), 10.1(1)SR1, 10.4(1)SR2 3rd Party, 10.3(1), 10.3(1)SR4b, 10.3(1)SR5, 10.3(1.9) 3rd Party, 10.3(2), 10.3(1)SR4, 10.3(1)SR2, 10.3(1)SR3, 10.3(1)SR1, 12.6(1), 12.1(1), 12.5(1)SR1, 12.5(1)SR2, 12.5(1), 12.5(1)SR3, 12.6(1)SR1, 12.7(1), 12.1(1)SR1, 12.0(1), 12.0(1)SR2, 12.0(1)SR1, 12.0(1)SR3, 12.8(1), 12.8(1)SR1, 12.8(1)SR2, 11.0(5)SR3, 11.0(6), 11.0(6)SR1, 11.0(6)SR2, 10.3(1)SR6, 10.3(1)SR7, 12.7(1)SR1, 14.0(1)SR1, 14.0(1), 14.0(1)SR2, 14.0(1)SR3, 14.1(1), 14.1(1)SR1—
06 References
- sec.cloudapps.cisco.comcisco-sa-ip-phone-auth-bypass-pSqxZRPRhttps://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ip-phone-auth-bypass-pSqxZRPR