CVE-2020-28951

CRITICALCVSS 9.8/10EPSS 1.74%

Last modified

CVE-2020-28951 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.. EPSS estimates a 1.74% chance of exploitation in the next 30 days.

Description

libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.

Metrics

CVSS 3.1
9.8/10

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

EPSS Probability
1.74%

74.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
OpenwrtOpenwrt< 18.06.9
OpenwrtOpenwrt>= 19.07.0, < 19.07.5

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2020-28951?
libuci in OpenWrt before 18.06.9 and 19.x before 19.07.5 may encounter a use after free when using malicious package names. This is related to uci_parse_package in file.c and uci_strdup in util.c.
How severe is CVE-2020-28951?
CVE-2020-28951 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 1.74% probability of exploitation in the next 30 days.
How do I fix CVE-2020-28951?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-28951?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST