Is CVE-2020-25860 in the CISA KEV catalog?

No. CVE-2020-25860 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2020-25860?

CVE-2020-25860 has a CVSS v3 base score of 6.6 (MEDIUM).

What is the EPSS score for CVE-2020-25860?

CVE-2020-25860 has an EPSS score of 1.42% (69th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2020-25860?

Upgrade rauc on debian 11 to 1.5-1 or later.

CVE & CISA-KEV Catalog

CVE-2020-25860

MEDIUM

6.6

CVSS v3

NVD

Description

The install.c module in the Pengutronix RAUC update client prior to version 1.5 has a Time-of-Check Time-of-Use vulnerability, where signature verification on an update file takes place before the file is reopened for installation. An attacker who can modify the update file just before it is reopened can install arbitrary code on the device.

CWE-367TOCTOU Race Condition

How to fix

Remediation Available

raucDebian

Fixed in:1.5-1CVE-2020-25860

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityHigh

Privileges RequiredHigh

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

1.42%probability of exploitation in 30 days

69thpercentile

Moderate risk: more likely to be exploited than 69% of all known CVEs.

References

Exploit2

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.