Unauthenticated information disclosure via exposed directory permissions
Published Sep 3, 2025 · Updated Sep 3, 2025
Information disclosure in Cisco Session Initiation Protocol (SIP) Software allows remote attackers to read sensitive phone data. The affected directory permissions let a crafted packet sent to the phone's Web Access interface retrieve data without authorization. Exploitation requires the disabled-by-default Web Access feature; successful attacks disclose device information without changing it.
Summary
What happened
Information disclosure in Cisco Session Initiation Protocol (SIP) Software allows remote attackers to read sensitive phone data. The affected directory permissions let a crafted packet sent to the phone's Web Access interface retrieve data without authorization. Exploitation requires the disabled-by-default Web Access feature; successful attacks disclose device information without changing it.
The record
- CVE
- CVE-2025-20336
- Published
- Sep 3, 2025
- Updated
- Sep 3, 2025
- Vendor
- ClamAV
- Product
- Cisco Session Initiation Protocol (SIP) Software
- Classifications
- CWE-200, T1190
- Attack vector
- network
- Privileges
- unauthenticated
Timeline
How it unfolded
- Sep 3, 2025CVE publishedPublication date reported by the CVE source.
- Sep 3, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=10.1(1.9)
- Affected versionversion=10.1(1)SR1
- Affected versionversion=10.1(1)SR2
- Affected versionversion=10.2(1)
- Affected versionversion=10.2(1)SR1
- Affected versionversion=10.2(2)
- Affected versionversion=10.3(1)
- Affected versionversion=10.3(1.11) 3rd Party
- Affected versionversion=10.3(1.9) 3rd Party
- Affected versionversion=10.3(1)SR1
- Affected versionversion=10.3(1)SR2
- Affected versionversion=10.3(1)SR3
- Affected versionversion=10.3(1)SR4
- Affected versionversion=10.3(1)SR4b
- Affected versionversion=10.3(1)SR5
- Affected versionversion=10.3(1)SR6
- Affected versionversion=10.3(1)SR7
- Affected versionversion=10.3(2)
- Affected versionversion=10.4(1) 3rd Party
- Affected versionversion=10.4(1)SR2 3rd Party
- Affected versionversion=11.0(0.7) MPP
- Affected versionversion=11.0(1)
- Affected versionversion=11-0-1MSR1-1
- Affected versionversion=11.5(1)
- Affected versionversion=11.5(1)SR1
- Affected versionversion=11.7(1)
- Affected versionversion=12.0(1)
- Affected versionversion=12.0(1)SR1
- Affected versionversion=12.0(1)SR2
- Affected versionversion=12.0(1)SR3
- Affected versionversion=12.1(1)
- Affected versionversion=12.1(1)SR1
- Affected versionversion=12.5(1)
- Affected versionversion=12.5(1)SR1
- Affected versionversion=12.5(1)SR2
- Affected versionversion=12.5(1)SR3
- Affected versionversion=12.6(1)
- Affected versionversion=12.6(1)SR1
- Affected versionversion=12.7(1)
- Affected versionversion=12.7(1)SR1
- Affected versionversion=12.8(1)
- Affected versionversion=12.8(1)SR1
- Affected versionversion=12.8(1)SR2
- Affected versionversion=14.0(1)
- Affected versionversion=14.0(1)SR1
- Affected versionversion=14.0(1)SR2
- Affected versionversion=14.0(1)SR3
- Affected versionversion=14.1(1)
- Affected versionversion=14.1(1)SR1
- Affected versionversion=14.1(1)SR2
- Affected versionversion=14.1(1)SR3
- Affected versionversion=14.2(1)
- Affected versionversion=14.2(1)SR1
- Affected versionversion=14.2(1)SR2
- Affected versionversion=14.2(1)SR3
- Affected versionversion=14.2(1)SR4
- Affected versionversion=14.3(1)
- Affected versionversion=14.3(1)SR1
- Affected versionversion=2.0(1)
- Affected versionversion=2.1(1)
- Affected versionversion=2.2(1)
- Affected versionversion=2.3(1)
- Affected versionversion=2.3(1)SR1
- Affected versionversion=3.0(1)
- Affected versionversion=3.1(1)
- Affected versionversion=3.1(1)SR1
- Affected versionversion=3.2(1)
- Affected versionversion=9.3(3)
- Affected versionversion=9.3(4) 3rd Party
- Affected versionversion=9.3(4)SR1 3rd Party
- Affected versionversion=9.3(4)SR2 3rd Party
- Affected versionversion=9.3(4)SR3 3rd Party
What conditions does exploitation require?
What is affected?
Published CVSS scores
CVSS describes severity. EPSS estimates exploitation probability.
Attacks
What attackers are doing with it
Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.
Weakness, pattern, technique
Public exploit references
No public exploit references are available in this record.
Labels summarize the accepted research assessment. They do not indicate a test against your environment.
Technologies
Your stack
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Your stack
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