CVE-2019-15977Network attack vector

Unauthenticated information access via static credentials

Published Jan 6, 2020 · Updated Nov 15, 2024

Authentication bypass in Cisco Data Center Network Manager before 11.3(1) allows remote attackers to access confidential device information. The web-based management interface contains static credentials and accepts them as valid authentication for a restricted section of the interface. No prior account or user interaction is required; successful access exposes certain confidential device information that can support further attacks.

CVSS severity9.8
Critical
EPSS probability38.11%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authentication bypass in Cisco Data Center Network Manager before 11.3(1) allows remote attackers to access confidential device information. The web-based management interface contains static credentials and accepts them as valid authentication for a restricted section of the interface. No prior account or user interaction is required; successful access exposes certain confidential device information that can support further attacks.

The record

CVE
CVE-2019-15977
Published
Jan 6, 2020
Updated
Nov 15, 2024
Vendor
ClamAV
Product
Cisco Data Center Network Manager
Classifications
CWE-798, T1078
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 6, 2020CVE publishedPublication date reported by the CVE source.
  2. Nov 15, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <n/a

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

ClamAV · Cisco Data Center Network Managerversion=unspecified <n/a

Published CVSS scores

7.5NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
7.8NIST NVDAV:N/AC:L/Au:N/C:C/I:N/A:N
9.8Cisco Systems, Inc.CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
T1078Valid Accounts

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo