What is CVE-2018-15381?

CVE-2018-15381 is a critical-severity vulnerability in Cisco Unity Express, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-11-08.

How severe is CVE-2018-15381?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2018-15381 known to be exploited?

6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Deserialization in Cisco Unity Express

CVE-2018-15381

A Java deserialization vulnerability in Cisco Unity Express (CUE) could allow an unauthenticated, remote attacker to execute arbitrary shell commands with the privileges of the root user. The vulnerability is due to insecure deserializatio…

Vulnerability class: Insecure Deserialization

EPSS: 0.873 (99.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Cisco Unity Express — versions n/a

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

Public proof-of-concept exploits

References

1042130 (vdb-entry, x_refsource_SECTRACK)
20181107 Cisco Unity Express Arbitrary Command Execution Vulnerability (x_refsource_CISCO, vendor-advisory)
105876 (vdb-entry, x_refsource_BID)

Frequently asked questions

What is CVE-2018-15381?: CVE-2018-15381 is a critical-severity vulnerability in Cisco Unity Express, classified under Deserialization of Untrusted Data. CVSS score: 9.8/10. Published 2018-11-08.
How severe is CVE-2018-15381?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2018-15381 known to be exploited?: 6 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.