CVE-2021-34565: pepperl-fuchs wha-gw-f2d2-0-as-z2-eth_firmware Use of Hard-coded Credentials
CVSS: 9.8v3.1CriticalModified
Published 31-08-2021Last modified 17-09-2024
Vulnerability summary
CVE-2021-34565 is a critical (CVSS 9.8) Use of Hard-coded Credentials vulnerability in pepperl-fuchs wha-gw-f2d2-0-as-z2-eth_firmware. EPSS estimates a 1.03% chance of exploitation in the next 30 days, higher than 63.1% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
1.03%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 31-08-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
In PEPPERL+FUCHS WirelessHART-Gateway 3.0.7 to 3.0.9 the SSH and telnet services are active with hard-coded credentials.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.03%
Chance of exploitation in the next 30 days
Percentile
63%
Versus all other CVEs
30-day change
0.00 pp
From 1.03% on 19-09-2026
19-09-202619-10-2026
EPSS score1.03%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Pepperl-fuchs2 products
- wha-gw-f2d2-0-as-z2-eth_firmware≥ 3.0.7, ≤ 3.0.9
- wha-gw-f2d2-0-as-z2-eth.eip_firmware≥ 3.0.7, ≤ 3.0.9
Phoenix contact2 products
- wha-gw-f2d2-0-as- z2-eth≥ 3.0.7, < 3.0.7* | 3.0.9
- wha-gw-f2d2-0-as- z2-eth.eip≥ 3.0.7, < 3.0.7* | 3.0.9
2 vendors · 4 products