CVE-2019-15990

mediumpriority · track · 21OT risk · elevatedEPSS 0.012 · 68 %ileEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.20% (68th) EPSS

CVSS 5 · medium

Is it mine?

10 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cisco_csaf

EPSS · scored 2026-10-27

A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an unauthenticated, remote attacker to view information displayed in the web-based management interface. The vulnerability is due to improper authorization of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to view information displayed in the web-based management interface without authentication.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Small Business RV Series Router Firmwarecisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.05mediumAV:N/AC:L/Au:N/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 10 · impact 2.9

v3.15.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · psirt@cisco.com USexploitability 3.9 · impact 1.4

v3.05.3mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · Cisco PSIRT US

v3.15.3mediumAV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:Nsecondary · FSTEC (BDU) RU

v3.14.9mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: yes · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-265USCWE-285USCWE-863US

affected products (10)

Products and version ranges known to be affected.

Cisco Cisco Small Business RV Series Router Firmwareall versionscisco_csafUS
Cisco Cisco Small Business RV Series Router Firmwareunspecified → n/aenisa_euvdEU
Cisco Systems Inc. Cisco Small Business RV016≤ 4.2.3.10fstec_bduRU
Cisco Systems Inc. Cisco Small Business RV042≤ 4.2.3.10fstec_bduRU
Cisco Systems Inc. Cisco Small Business RV042G≤ 4.2.3.10fstec_bduRU
Cisco Systems Inc. Cisco Small Business RV082≤ 4.2.3.10fstec_bduRU
cisco rv016 multi-wan vpn firmware< 4.2.3.10nvdUScpe:2.3:o:cisco:rv016_multi-wan_vpn_firmware:*:*:*:*:*:*:*:*
cisco rv042 dual wan vpn firmware< 4.2.3.10nvdUScpe:2.3:o:cisco:rv042_dual_wan_vpn_firmware:*:*:*:*:*:*:*:*
cisco rv042g dual gigabit wan vpn firmware< 4.2.3.10nvdUScpe:2.3:o:cisco:rv042g_dual_gigabit_wan_vpn_firmware:*:*:*:*:*:*:*:*
cisco rv082 dual wan vpn firmware< 4.2.3.10nvdUScpe:2.3:o:cisco:rv082_dual_wan_vpn_firmware:*:*:*:*:*:*:*:*

advisories (1)

Vendor and ecosystem advisories describing this.

cisco-sa-20191120-sbr-rv-infodisCisco Small Business Routers RV016, RV042, RV042G, and RV082 Information Disclosure Vulnerability2019-11-20csaf · cisco_csafUS
A vulnerability in the web-based management interface of certain Cisco Small Business RV Series Routers could allow an unauthenticated, remote attacker to view information displayed in the web-based management interface. The vulnerability is due to improper authorization of HTTP requests. An attacker could exploit this vulnerability by sending crafted HTTP requests to the web-based management interface of an affected device. A successful exploit could allow the attacker to view information displayed in the web-based management interface without authentication. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-sbr-rv-infodis ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20191120-sbr-rv-infodis"]

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cisco_csaf nvd NVD CVE.org MITRE

published 2019-11-26modified 2026-06-17

references (5)

External citations — patches, advisories, analysis.

scry

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