CVE-2021-213748.1HighCWE-348

CVE-2021-21374: Nimble fails to validate certificates due to insecure httpClient defaults

nim-lang · security

Affected: nim-lang security · Exploitation: possible (1 to 10%)

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

1.0%probability of exploitation in the next 30 days

64th percentile

050100

Higher than 64% of scored CVEs

8.1HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

Nimble is a package manager for the Nim programming language. In Nim release versions before versions 1.2.10 and 1.4.4, "nimble refresh" fetches a list of Nimble packages over HTTPS without full verification of the SSL/TLS certificate due to the default setting of httpClient. An attacker able to perform MitM can deliver a modified package list containing malicious software packages. If the packages are installed and used the attack escalates to untrusted code execution.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

nim-lang · security< 1.2.10; >= 1.4.0, < 1.4.4

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Possible (1 to 10%). EPSS between 1% and 10%.
CISA KEV: Not listed
Public check: No public nuclei template
Weakness: Use of Less Trusted Source · Cryptography
Vendor: nim-lang
Published: March 2021
Band: Possible (1 to 10%), March 2021

CoverageNo articles yet

No CyberSIXT article names CVE-2021-21374 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.