CISA KEV entry

CVE-2019-15271Cisco RV Series Routers Deserialization of Untrusted Data Vulnerability

Cisco RV Series Routers. Added to the CISA Known Exploited Vulnerabilities catalogue on 8 June 2022.

Data status: a source is stale

Last synced CISA catalogue version 2026.11.04 (released 4 November 2026) 1,768 entries Updated manually

Date added
2022-06-08
Federal due date
2022-06-22 14 days after it was added; passed at the sync of 2026-11-05
Known ransomware use
Unknown
Forensic triage (BOD 26-04)
No
CVSS
8.8 High CVSS 3.1, scored by nvd@nist.gov
EPSS
5.48% percentile 92.8, scored 2026-11-04
CISA SSVC
Exploitation active, automatable no, technical impact total
NVD status
Analyzed published 2019-11-26, 925 days before the KEV listing

BOD 26-04 remediation window

With CISA's SSVC answers for this CVE (automatable: no, technical impact: total), BOD 26-04 Table 1 gives 3 days and forensic triage on a publicly exposed asset (row 3) and 14 days on an asset that is not publicly exposed (row 11) S06. The catalogue due date, 14 days after the date added, was set before BOD 26-04 took effect on 10 June 2026 S06. The directive binds US federal civilian executive branch agencies only.

What CISA says

Short description

A deserialization of untrusted data vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an attacker to execute code with root privileges.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2019-15271

CWE in the catalogue

CWE-502

NVD details

CWE (NVD)
CWE-502 by psirt@cisco.com
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS versions in NVD
V2, V30, V31
Last modified in NVD
2026-06-17T02:19:59.500

Where each value comes from

Source and fetch time of every field on this page
FieldSourceFetched, UTCState
Catalogue fieldsCISA KEV JSON, version 2026.11.042026-11-05 11:38current
NVD published, status, CVSS, CWE, vendor linksNVD CVE API 2.0; CVSS: NVD (nvd@nist.gov)2026-11-03 12:37current at 2026-11-05 11:38
EPSSFIRST EPSS API, scores of 2026-11-042026-11-05 11:38current
CISA SSVCCISA ADP (via NVD), record of 2024-11-082026-11-03 12:37current

This product uses data from the NVD API but is not endorsed or certified by the NVD. CISA does not endorse Sysprobs. Methodology.

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