CVE-2020-24341: altran picotcp Out-of-bounds Read
CVSS: 9.1v3.1CriticalModified
Published 11-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-24341 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in altran picotcp. EPSS estimates a 4.95% chance of exploitation in the next 30 days, higher than 92.1% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (NVD)EPSS score
4.95%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in picoTCP and picoTCP-NG through 1.7.0. The TCP input data processing function in pico_tcp.c does not validate the length of incoming TCP packets, which leads to an out-of-bounds read when assembling received packets into a data segment, eventually causing Denial-of-Service or an information leak.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.1Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSourcesSingle source
Medium 6.4Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
4.95%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
0.00 pp
From 4.95% on 21-09-2026
21-09-202621-10-2026
EPSS score4.95%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Altran2 products
- picotcp≤ 1.7.0
- picotcp-ng≤ 1.7.0
1 vendor · 2 products
References
2 links
us-cert.cisa.gov/ics/advisories/icsa-20-343-01X Refsource MISCThird Party AdvisoryUS Government Resource