CVE-2021-20711: nec corporation aterm wg2600hs OS Command Injection
CVSS: 10.0v2.0HighModified
Published 26-04-2021Last modified 03-08-2024
Vulnerability summary
CVE-2021-20711 is a high (CVSS 10.0) OS Command Injection vulnerability in nec corporation aterm wg2600hs. EPSS estimates a 1.36% chance of exploitation in the next 30 days, higher than 71.2% of scored vulnerabilities.
CVSS score
10.0/10
010
High · v2.0 (NVD)EPSS score
1.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 26-04-2021PublishedVulnerability first disclosed.
- 03-08-2024Last modifiedVulnerability information updated.
Description
Aterm WG2600HS firmware Ver1.5.1 and earlier allows an attacker to execute arbitrary OS commands via unspecified vectors.
CVSS metrics
2 scores · 1 source · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
High 10.0Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
1.36%
Chance of exploitation in the next 30 days
Percentile
71%
Versus all other CVEs
30-day change
0.00 pp
From 1.36% on 19-09-2026
19-09-202619-10-2026
EPSS score1.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Nec1 product
- aterm_wg2600hs_firmware≤ 1.5.1
Nec corporation1 product
- aterm wg2600hsfirmware Ver1.5.1 and earlier
2 vendors · 2 products