01 Record
CVE-2018-5520
On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell (tmsh) may allow an administrative user to use the dig utility to gain
UnratedPUBLISHEDCNA: f5
CNA base scoreUnratedNo CNA CVSS vector
02 Description
On an F5 BIG-IP 13.0.0-13.1.0.5, 12.1.0-12.1.3.1, or 11.2.1-11.6.3.1 system configured in Appliance mode, the TMOS Shell (tmsh) may allow an administrative user to use the dig utility to gain
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
- 0.98% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 61.9% of scored records. A rank, not a probability.
- NVD base score
- 4.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:N/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
- 2018-05-02 13:00Z8 YR AGO
- Last updated
- 2024-09-16 23:00Z2 YR AGO
- Reserved
- 2018-01-12
- Assigning CNA
- f5
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-863Incorrect AuthorizationClass
- Data version
- 5.1
- Document digest
- 71562547269149f42f985e882ada0a3c921b26a040327b8c189bddaffadc62d5
05 Affected products
VendorProductVersionsPlatforms
F5 Networks, Inc.BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, GTM, Link Controller, PEM, WebAccelerator, WebSafe)13.0.0-13.1.0.5, 12.1.0-12.1.3.1, 11.2.1-11.6.3.1—
06 References
- support.f5.comhttps://support.f5.com/csp/article/K02043709
- www.securitytracker.com1040798http://www.securitytracker.com/id/1040798