Vulnerability in Isc Dhcp
CVE-2021-25217
In ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16, ISC DHCP 4.4.0 -> 4.4.2 (Other branches of ISC DHCP (i.e., releases in the 4.0.x series or lower and releases in the 4.3.x series) are beyond their End-of-Life (EOL) and no longer supported by ISC. Fr…
EPSS: 0.061 (92.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.4 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H.
Affected products
- Isc Dhcp — versions 4.1 ESV, 4.4
Public proof-of-concept exploits
References
- kb.isc.org/docs/cve-2021-25217
- [oss-security] 20210526 ISC has disclosed a vulnerability in ISC DHCP (CVE-2021-25217) (mailing-list)
- FEDORA-2021-08cdb4dc34 (vendor-advisory)
- [debian-lts-announce] 20210603 [SECURITY] [DLA 2674-1] isc-dhcp security update (mailing-list)
- FEDORA-2021-8ca8263bde (vendor-advisory)
- cert-portal.siemens.com/productcert/pdf/ssa-406691.pdf
- security.netapp.com/advisory/ntap-20220325-0011/
- cert-portal.siemens.com/productcert/pdf/ssa-637483.pdf
- GLSA-202305-22 (vendor-advisory)
Frequently asked questions
- What is CVE-2021-25217?
- CVE-2021-25217 is a high-severity vulnerability in Isc Dhcp. CVSS score: 7.4/10. Published 2021-05-26.
- How severe is CVE-2021-25217?
- High severity. CVSS v3 base score is 7.4 out of 10.
- Is CVE-2021-25217 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.