CVE-2020-27338: treck ipv6 Improper Input Validation
CVSS: 7.1v3.1HighModified
Published 22-12-2020Last modified 04-08-2024
Vulnerability summary
CVE-2020-27338 is a high (CVSS 7.1) Improper Input Validation vulnerability in treck ipv6. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.1% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (NVD)EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 22-12-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Treck IPv6 before 6.0.1.68. Improper Input Validation in the DHCPv6 client component allows an unauthenticated remote attacker to cause an Out of Bounds Read, and possibly a Denial of Service via adjacent network access.
CVSS metrics
3 scores · 2 sources · 2 versionsHigh 7.1Preferred score · NVD (NIST)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HSources2 sources · 5.9–7.1
- CVE.orgCNA5.9MediumCVSS:3.1/AC:H/AV:A/A:H/C:L/I:N/PR:N/S:U/UI:NDiffers
Medium 4.8Preferred score · NVD (NIST)
AV:A/AC:L/Au:N/C:P/I:N/A:PSourcesSingle source
EPSS trend
Probability
0.81%
Chance of exploitation in the next 30 days
Percentile
56%
Versus all other CVEs
30-day change
0.00 pp
From 0.81% on 19-09-2026
19-09-202619-10-2026
EPSS score0.81%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-20Improper Input ValidationThe product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
- CWE-125Out-of-bounds ReadThe product reads data past the end, or before the beginning, of the intended buffer.
Affected systems
Treck1 product
- ipv6< 6.0.1.68
1 vendor · 1 product