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CVE-2020-5721

19
FAUCET Score

CVE-2020-5721 affects MikroTik WinBox versions 3.22 and below, where it insecurely stores user passwords in cleartext within the settings.cfg.viw configuration file if the "Keep Password" option is enabled and no Master Password is set. This vulnerability has a CVSS score of 5.5 (Medium), indicating that an attacker with local access to the configuration file can easily extract credentials, leading to unauthorized access to the router. While the potential impact is high for confidentiality, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 3.22CPE matchmatch criteria
cpe:2.3:o:mikrotik:winbox:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 86th percentile among its peer group of 15,940 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (6)

boschvendor investigatingvia llm_extracted
maxkbvendor investigatingvia llm_extracted
nxpvendor investigatingvia llm_extracted
openfirevendor investigatingvia llm_extracted
openstackvendor investigatingvia llm_extracted
opnsensevendor investigatingvia llm_extracted

Vendor Advisories (6)

maxkbllm-maxkb-3ecffc7fd1e2524bLOW

MikroTik WinBox Cleartext Password Storage

Apr 15, 2020
openstackllm-openstack-09c448ad7d0f466bLOW

MikroTik WinBox Cleartext Password Storage

Apr 15, 2020
nxpllm-nxp-ab9ec3e43d99b693LOW

MikroTik WinBox Cleartext Password Storage

Apr 15, 2020
boschllm-bosch-2853176181cf9170LOW

MikroTik WinBox Cleartext Password Storage

Apr 15, 2020
opnsensellm-opnsense-181678c258ff8e24LOW

MikroTik WinBox Cleartext Password Storage

Apr 15, 2020
openfirellm-openfire-6951dc9df35e6fa1LOW

MikroTik WinBox Cleartext Password Storage

Apr 15, 2020

References

tenable.com / security/research/tra-2020-23
ExploitThird Party Advisory