CVE-2020-4838: ibm api_connect Cross-site Scripting
CVSS: 6.4v3.0MediumModified
Published 12-01-2021Last modified 17-09-2024
Vulnerability summary
CVE-2020-4838 is a medium (CVSS 6.4) Cross-site Scripting vulnerability in ibm api_connect. EPSS estimates a 0.61% chance of exploitation in the next 30 days, higher than 48.6% of scored vulnerabilities.
CVSS score
6.4/10
010
Medium · v3.0 (CVE.org)EPSS score
0.61%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 12-01-2021PublishedVulnerability first disclosed.
- 17-09-2024Last modifiedVulnerability information updated.
Description
IBM API Connect 5.0.0.0 through 5.0.8.10 is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 190036.
CVSS metrics
4 scores · 2 sources · 3 versionsMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSourcesSingle source
Medium 6.4Preferred score · CVE.org (CNA)
CVSS:3.0/A:N/AC:L/AV:N/S:C/PR:L/UI:N/C:L/I:L/RC:C/RL:O/E:HSourcesAll 2 agree
- NVDNIST6.4MediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Low 3.5Preferred score · NVD (NIST)
AV:N/AC:M/Au:S/C:N/I:P/A:NSourcesSingle source
EPSS trend
Probability
0.61%
Chance of exploitation in the next 30 days
Percentile
49%
Versus all other CVEs
30-day change
+0.01 pp
From 0.60% on 21-09-2026
21-09-202621-10-2026
EPSS score0.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ibm1 product
- api_connect5.0.0.0 | 5.0.8.10 | ≥ 5.0.0.0, ≤ 5.0.8.10
1 vendor · 1 product