Is CVE-2021-38490 in the CISA KEV catalog?

No. CVE-2021-38490 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2021-38490?

CVE-2021-38490 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2021-38490?

CVE-2021-38490 has an EPSS score of 0.99% (58th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2021-38490?

Upgrade Altova MobileTogether Server to 7.3 or later. Fixes are available for 2 affected products.

CVE & CISA-KEV Catalog

CVE-2021-38490

HIGH

7.5

CVSS v3

NVD

Description

Altova MobileTogether Server before 7.3 SP1 allows XML exponential entity expansion, a different vulnerability than CVE-2021-37425.

CWE-776

How to fix

Remediation Available

Altova MobileTogether ServerWindows application

Affected:7.0 7.3Fixed in:7.3Altova

Altova MobileTogether Server Advanced EditionWindows application

Affected:7.0 7.3Fixed in:7.3Altova

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityNone

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploit Intelligence

0.99%probability of exploitation in 30 days

58thpercentile

Moderate risk: more likely to be exploited than 58% of all known CVEs.

References

Other references1

redteam-pentesting.de

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.