How severe is CVE-2020-21994?

CVE-2020-21994 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-21994 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-21994?

CVE-2020-21994 primarily affects Ave Dominaplus. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-21994?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2020-21994 published?

CVE-2020-21994 was published on 2021-04-28 and last updated on 2026-06-17.

CVE-2020-21994

Q: What is CVE-2020-21994?

AVE DOMINAplus <=1.10.x suffers from clear-text credentials disclosure vulnerability that allows an unauthenticated attacker to issue a request to an unprotected directory that hosts an XML file '/xml/authClients.xml' and obtain administrative login information that allows for a successful authentication bypass attack.

CVE-2020-21994 is a critical-severity vulnerability in Ave Dominaplus with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-522.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 4% (88th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-522
Affected product: Ave Dominaplus
Published: 2021-04-28
Last modified: 2026-06-17

Description

AVE DOMINAplus <=1.10.x suffers from clear-text credentials disclosure vulnerability that allows an unauthenticated attacker to issue a request to an unprotected directory that hosts an XML file '/xml/authClients.xml' and obtain administrative login information that allows for a successful authentication bypass attack.

Frequently asked questions

What is CVE-2020-21994?: AVE DOMINAplus <=1.10.x suffers from clear-text credentials disclosure vulnerability that allows an unauthenticated attacker to issue a request to an unprotected directory that hosts an XML file '/xml/authClients.xml' and obtain administrative login information that allows for a successful authentication bypass attack.
How severe is CVE-2020-21994?: CVE-2020-21994 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-21994 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (88th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-21994?: CVE-2020-21994 primarily affects Ave Dominaplus. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-21994?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2020-21994 published?: CVE-2020-21994 was published on 2021-04-28 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:ave:dominaplus:*:*:*:*:*:*:*:*
cpe:2.3:o:ave:53ab-wbs_firmware:1.10.62:*:*:*:*:*:*:*
cpe:2.3:o:ave:ts01_firmware:1.0.65:*:*:*:*:*:*:*
cpe:2.3:o:ave:ts03x-v_firmware:1.10.45a:*:*:*:*:*:*:*
cpe:2.3:o:ave:ts04x-v_firmware:1.10.45a:*:*:*:*:*:*:*
cpe:2.3:o:ave:ts05_firmware:1.10.36:*:*:*:*:*:*:*
cpe:2.3:o:ave:ts05n-v_firmware:-:*:*:*:*:*:*:*

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