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CVE-2020-24339

24
FAUCET Score

CVE-2020-24339 is a Denial-of-Service vulnerability affecting picoTCP and picoTCP-NG versions up to 1.7.0. The flaw lies in the DNS domain name record decompression function, which fails to validate compression pointer offsets, leading to out-of-bounds reads. With a CVSS score of 7.5 (High), this vulnerability can be exploited remotely with low attack complexity, resulting in a complete denial of service. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.0CPE matchmatch criteria
cpe:2.3:a:altran:picotcp:*:*:*:*:*:*:*:*
<= 1.7.0CPE matchmatch criteria
cpe:2.3:a:altran:picotcp-ng:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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 Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.76%
Probability of exploitation in next 30 days
EPSS Percentile
84.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0276 is in the 73rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

us-cert.cisa.gov / ics/advisories/icsa-20-343-01
Third Party AdvisoryUS Government Resource
kb.cert.org / vuls/id/815128
Third Party AdvisoryUS Government Resource