What is the CVSS score of CVE-2022-26953?

CVE-2022-26953 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.8%.

Is there a public PoC exploit available for CVE-2022-26953?

Yes, a public proof-of-concept exploit is available for CVE-2022-26953. Prioritise patching immediately. EPSS: 1.8%.

Passport Firmware CVE-2022-26953

HIGH

Out-of-bounds Write (CWE-787)

2022-04-06 cve@mitre.org

Memory Corruption Buffer Overflow Passport Firmware

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 06, 2022 - 01:15 nvd

HIGH 7.5

DescriptionNVD

Digi Passport Firmware through 1.5.1,1 is affected by a buffer overflow. An attacker can supply a string in the page parameter for reboot.asp endpoint, allowing him to force an overflow when the string is concatenated to the HTML body.

AnalysisAI

Digi Passport Firmware through 1.5.1,1 is affected by a buffer overflow. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. Digi Passport Firmware through 1.5.1,1 is affected by a buffer overflow. An attacker can supply a string in the page parameter for reboot.asp endpoint, allowing him to force an overflow when the string is concatenated to the HTML body. Affected products include: Digi Passport Firmware. Version information: through 1.5.1.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).