8.8

CVE-2020-8477: abb 800xa_information_manager Cross-site Scripting

CVSS: 8.8v3.1HighModified
Published 22-04-2020Last modified 04-08-2024

Vulnerability summary

CVE-2020-8477 is a high (CVSS 8.8) Cross-site Scripting vulnerability in abb 800xa_information_manager. EPSS estimates a 1.71% chance of exploitation in the next 30 days, higher than 77.1% of scored vulnerabilities.

Overall risk
36/100
0100
Medium · default modelHow is this calculated?
CVSS score
8.8/10
010
High · v3.1 (CVE.org)
EPSS score
1.71%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 22-04-2020
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

The installations for ABB System 800xA Information Manager versions 5.1, 6.0 to 6.0.3.2 and 6.1 wrongly contain an auxiliary component. An attacker is able to use this for an XSS-like attack to an authenticated local user, which might lead to execution of arbitrary code.

CVSS metrics

3 scores · 2 sources · 2 versions

EPSS trend

Probability

1.71%

Chance of exploitation in the next 30 days

Percentile

77%

Versus all other CVEs

30-day change

0.00 pp

From 1.71% on 21-09-2026

21-09-202621-10-2026
EPSS score
1.71%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Abb2 products

1 vendor · 2 products

References

1 links