A vulnerability in the web-based UI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware before 11.2(1) could allow an
A vulnerability in the web-based UI of Cisco IP Phone 6800, 7800, and 8800 Series with Multiplatform Firmware before 11.2(1) could allow an authenticated, remote attacker to perform a command injection and execute commands with the privileges of the web server. The vulnerability is due to insufficient input validation. An attacker could exploit this vulnerability by including arbitrary shell commands in a specific user input field. Cisco Bug IDs: CSCvi51426.
- Published
- Jul 16, 2018
- Updated
- Jun 16, 2026
- EPSS
- 5.8% · 93th percentile
- CWE
- CWE-77
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Report tools
Action score
37
Monitor
Low priority for now.
- CVSS
- 35 / 40 · 8.8 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 2 / 30 · 5.8%
CISA SSVC decision
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
Vulnrichment: CISA's decision-tree inputs.
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| cisco | ip phone multiplatform firmware | cpe:2.3:o:cisco:ip_phone_multiplatform_firmware |
| cisco | ip phone 6841 | cpe:2.3:h:cisco:ip_phone_6841 |
| cisco | ip phone 6851 | cpe:2.3:h:cisco:ip_phone_6851 |
| cisco | ip phone 7811 | cpe:2.3:h:cisco:ip_phone_7811 |
| cisco | ip phone 7821 | cpe:2.3:h:cisco:ip_phone_7821 |
| cisco | ip phone 7841 | cpe:2.3:h:cisco:ip_phone_7841 |
| cisco | ip phone 7861 | cpe:2.3:h:cisco:ip_phone_7861 |
| cisco | ip phone 8811 | cpe:2.3:h:cisco:ip_phone_8811 |
| cisco | ip phone 8841 | cpe:2.3:h:cisco:ip_phone_8841 |
| cisco | ip phone 8845 | cpe:2.3:h:cisco:ip_phone_8845 |
| cisco | ip phone 8851 | cpe:2.3:h:cisco:ip_phone_8851 |
| cisco | ip phone 8861 | cpe:2.3:h:cisco:ip_phone_8861 |
and 1 more
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- cisco ip phone multiplatform firmware11.1(2)
Versions reported by the vendor
Affected version ranges reported by the assigning authority (cisco). Independent of NVD's CPE analysis and usually ahead of it.
n/a Cisco IP Phone 6800, 7800, and 8800 unknown
- Cisco IP Phone 6800, 7800, and 8800 unknownaffected
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
No fix version is recorded for this entry. Check the references for vendor advisories.
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Anyone who can reach it over the internet can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- high · data can be read
- Integrity
- high · data or configuration can be modified
- Availability
- high · the service can be disrupted
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- High
- Integrity impact
- High
- Availability impact
- High
Weakness class (CWE)
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')CVSS vector
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- LDAP InjectionCAPEC-136likelihood: High · High
- Command DelimitersCAPEC-15likelihood: High · High
- IMAP/SMTP Command InjectionCAPEC-183Medium
- Command InjectionCAPEC-248likelihood: Medium · High
- Manipulating Writeable Terminal DevicesCAPEC-40likelihood: High · Very High
- Exploiting Multiple Input Interpretation LayersCAPEC-43likelihood: Medium · High
- Manipulating Writeable Configuration FilesCAPEC-75likelihood: High · Very High
- Manipulating Web Input to File System CallsCAPEC-76likelihood: High · Very High
ATT&CK techniques
—
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for all 385,000+ vulnerabilities; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpChange log
No changes recorded on tracked fields yet. Score, KEV, exploit maturity and fix status changes appear here.
References
- www.securityfocus.com/bid/104731
- www.securitytracker.com/id/1041285
- tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180711-phone-webui-inject
Vendor advisories and official records. Exploit/PoC links are deliberately left out.