Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device
Published Mar 28, 2018 ·Due Mar 17, 2022
8.0
HIGHCVSS 3.1
EPSS 3.48%
Description
Format String vulnerability in the Link Layer Discovery Protocol (LLDP) subsystem of Cisco IOS Software, Cisco IOS XE Software, and Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition or execute arbitrary code with elevated privileges on an affected device. Cisco Bug IDs: CSCvd73664.
Affected products
- Vendor n/a Product Cisco IOS, IOS XE, and IOS XR Defaultn/a
- Version Cisco IOS, IOS XE, and IOS XRStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Cisco IOS, IOS XE, and IOS XR | n/a |
|
Configuration 4
Running on/with
Configuration 5
Running on/with
- n/a
- n/a
- n/a
- n/a
- n/a
Configuration 6
Running on/with
- n/a
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:A/AC:M/Au:N/C:C/I:C/A:C
Date Added
Mar 3, 2022
Patch Due
Mar 17, 2022
Required Action
Apply updates per vendor instructions.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
ActiveAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Nov 8, 2024 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.48% (0.03478) | 88.71th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.58% (0.03577) | 87.85th | v5 (v2026.06.15) |
| Dec 16, 2025 | 2.47% (0.02469) | 84.81th | v4 (v2025.03.14) |
| Nov 18, 2025 | 1.01% (0.01013) | 75.21th | v4 (v2025.03.14) |
| Mar 17, 2025 | 2.54% (0.02538) | 84.40th | v4 (v2025.03.14) |
| Dec 17, 2024 | 4.03% (0.04027) | 91.98th | v3 (v2023.03.01) |
| Dec 12, 2024 | 0.80% (0.00798) | 82.34th | v3 (v2023.03.01) |
| Feb 21, 2024 | 0.40% (0.00397) | 72.89th | v3 (v2023.03.01) |
| Feb 5, 2024 | 0.40% (0.00397) | 70.88th | v3 (v2023.03.01) |
| Dec 12, 2023 | 0.40% (0.00405) | 70.84th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.29% (0.00286) | 64.72th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.22% (0.00216) | 57.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.69% (0.01688) | 76.04th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.64% (0.01642) | 52.70th | v2 (v2022.01.01) |
| Feb 3, 2022 | 3.14% (0.03139) | 65.22th | v5 (v2026.06.15) |
| Apr 14, 2021 | 3.14% (0.03139) | 0.00th | v1 |
References (7)
- http://www.securityfocus.com/bid/103564 vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry
- http://www.securitytracker.com/id/1040586 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03 x_refsource_MISCThird Party AdvisoryUS Government Resource
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 x_refsource_MISCThird Party AdvisoryUS Government Resource
- https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 x_refsource_MISCThird Party AdvisoryUS Government Resource
- https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp x_refsource_CONFIRMVendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0175 government-resourceUS Government Resource
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/103564 | vdb-entryx_refsource_BIDBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.securitytracker.com/id/1040586 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-107-03 | x_refsource_MISCThird Party AdvisoryUS Government Resource | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-107-04 | x_refsource_MISCThird Party AdvisoryUS Government Resource | |
| https://ics-cert.us-cert.gov/advisories/ICSA-18-107-05 | x_refsource_MISCThird Party AdvisoryUS Government Resource | |
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180328-lldp | x_refsource_CONFIRMVendor Advisory | |
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2018-0175 | government-resourceUS Government Resource |
Change history (0)
No recorded changes yet.