Vulnerability

CVE-2018-0125

Critical· 9.8KEVCVSS9.8EPSS55%

.rules3/5

Cisco VPN Routers Remote Code Execution Vulnerability

A vulnerability in the web interface of the Cisco VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code as root and gain full control of an affected system.

Threat signal

100/100

Severe

Severity

critical

CVSS

9.8

EPSS

55%

Active

KEV

CISA KEV — actively exploited

1523d overdue

AffectedCisco — VPN Routers

Added to KEV

2022-03-25

Federal patch due (BOD 22-01)

2022-04-15

Required action (CISA verbatim)

Apply updates per vendor instructions.

Vendor advisory + references

https://nvd.nist.gov/vuln/detail/CVE-2018-0125

CISA description: “A vulnerability in the web interface of the Cisco VPN Routers could allow an unauthenticated, remote attacker to execute arbitrary code as root and gain full control of an affected system.”

CVSS

v3.1Open in FIRST calculator →

9.8/ 10CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNetworkExploitable remotely over the internet — no local access needed.
Attack ComplexityLowNo special conditions — exploit works reliably.
Privileges RequiredNoneUnauthenticated — no credentials needed.
User InteractionNoneFully automated — no victim action needed.
ScopeUnchangedImpact contained to the vulnerable component.
Confidentiality ImpactHighTotal disclosure of sensitive data.
Integrity ImpactHighTotal compromise of integrity — full data modification possible.
Availability ImpactHighTotal loss of availability — full DoS possible.

EPSS

Exploit prediction · 30-day horizonFIRST.org →

55.2%

probability of exploitation in next 30 days

p99

higher than 99% of all CVEs

6-day trend↑ 25.7pp

Statistically about to be weaponized — top-tier triage urgency.

Vendor VEX

No VEX statements published for CVE-2018-0125. Vendors publish VEX (Vulnerability Exploitability eXchange) to assert per-product whether a CVE is actually exploitable in their distribution.

SSVCAct

Active exploitation with total impact on essential/support systems

exploitation: active
automatable: yes
impact: total
mission: support

Lifecycle

2022-03-25Added to CISA KEVransomware: Unknown
2022-03-25Published
2022-04-15Federal patch due (BOD 22-01)
2026-06-15Last modified1 source

No source-event history recorded yet. New revisions will appear here as ingestors re-fetch this CVE.