What is the CVSS score of CVE-2021-28858?

CVE-2021-28858 has a CVSS 3.1 base score of 5.5 (Medium). CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. EPSS exploitation probability: 0.3%.

Is there a public PoC exploit available for CVE-2021-28858?

Yes, a public proof-of-concept exploit is available for CVE-2021-28858. Prioritise patching immediately. EPSS: 0.3%.

Tl Wpa4220 Firmware CVE-2021-28858

MEDIUM

Cleartext Storage of Sensitive Information (CWE-312)

2021-06-15 cve@mitre.org

TP-Link Information Disclosure Tl Wpa4220 Firmware

5.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

5.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

High

Integrity

None

Availability

None

Lifecycle Timeline

CVE Published

Jun 15, 2021 - 22:15 nvd

MEDIUM 5.5

DescriptionNVD

TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information.

AnalysisAI

TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-312. TP-Link's TL-WPA4220 4.0.2 Build 20180308 Rel.37064 does not use SSL by default. Attacker on the local network can monitor traffic and capture the cookie and other sensitive information. Affected products include: Tp-Link Tl-Wpa4220 Firmware.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.