CVE-2021-22276: abb system access point
CVSS: 6.1v3.1MediumModified
Published 23-09-2021Last modified 16-09-2024
Vulnerability summary
CVE-2021-22276 is a medium (CVSS 6.1) vulnerability in abb system access point. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.3% of scored vulnerabilities.
CVSS score
6.1/10
010
Medium · v3.1 (CVE.org)EPSS score
0.26%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 23-09-2021PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
Description
The vulnerability allows a successful attacker to bypass the integrity check of FW uploaded to the free@home System Access Point.
CVSS metrics
3 scores · 2 sources · 2 versionsMedium 6.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:HSources2 sources · 5.5–6.1
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NDiffers
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 21-09-2026
21-09-202621-10-2026
EPSS score0.26%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-200Exposure of Sensitive Information to an Unauthorized ActorThe product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-354Improper Validation of Integrity Check ValueThe product does not validate or incorrectly validates the integrity check values or "checksums" of a message. This may prevent it from detecting if the data has been modified or corrupted in transmission.
Affected systems
Abb6 products
- system access point≥ 2CKA006200A0156, ≤ 2.6.3 | ≥ 2CKA006200A0155, ≤ 2.6.3 | ≥ 2CKA006220A0240, ≤ 2.6.3 | ≥ 2CKA006220A0136, ≤ 2.6.3 | ≥ 2CKA006200A0130, ≤ 2.6.3 | ≥ 2CKA006200A0105, ≤ 2.6.3 | ≥ 2CKA006200A0071, ≤ 2.6.3
- system_access_point_127v_firmware< 2.6.4
- system_access_point_2.0_firmware< 2.6.4
- wl-system_access_point_firmware< 2.6.4
- wl-system_access_point_127v_firmware< 2.6.4
Busch-jaeger1 product
- system access point≥ 2CKA006220A0031, ≤ 2.6.3 | ≥ 2CKA006200A0154, ≤ 2.6.3
2 vendors · 7 products