How severe is CVE-2021-26294?

CVE-2021-26294 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-26294 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-26294?

CVE-2021-26294 primarily affects Afterlogic Aurora. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-26294?

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

When was CVE-2021-26294 published?

CVE-2021-26294 was published on 2021-03-07 and last updated on 2026-06-17.

CVE-2021-26294

CVE-2021-26294 is a high-severity vulnerability in Afterlogic Aurora with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 17% places it in the 97th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 17% (97th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Afterlogic Aurora
Published: 2021-03-07
Last modified: 2026-06-17

Description

An issue was discovered in AfterLogic Aurora through 7.7.9 and WebMail Pro through 7.7.9. They allow directory traversal to read files (such as a data/settings/settings.xml file containing admin panel credentials), as demonstrated by dav/server.php/files/personal/%2e%2e when using the caldav_public_user account (with caldav_public_user as its password).

Frequently asked questions

What is CVE-2021-26294?: An issue was discovered in AfterLogic Aurora through 7.7.9 and WebMail Pro through 7.7.9. They allow directory traversal to read files (such as a data/settings/settings.xml file containing admin panel credentials), as demonstrated by dav/server.php/files/personal/%2e%2e when using the caldav_public_user account (with caldav_public_user as its password).
How severe is CVE-2021-26294?: CVE-2021-26294 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-26294 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 17% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-26294?: CVE-2021-26294 primarily affects Afterlogic Aurora. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-26294?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-26294 published?: CVE-2021-26294 was published on 2021-03-07 and last updated on 2026-06-17.

References

https://github.com/E3SEC/AfterLogic/blob/main/CVE-2021-26294-exposure-of-sensitive-information-vulnerability.md

Affected products (2)

cpe:2.3:a:afterlogic:aurora:*:*:*:*:*:*:*:*
cpe:2.3:a:afterlogic:webmail_pro:*:*:*:*:*:*:*:*

More vulnerabilities in Afterlogic Aurora

CVE-2021-26293 — Critical (CVSS 9.8): An issue was discovered in AfterLogic Aurora through 8.5.3 and WebMail Pro through 8.5.3, when DAV is enabled. They…
CVE-2019-19129 — Medium (CVSS 6.1): Afterlogic WebMail Pro 8.3.11, and WebMail in Afterlogic Aurora 8.3.11, allows Remote Stored XSS via an attachment name.
CVE-2019-16238 — Medium (CVSS 6.1): Afterlogic Aurora through 8.3.9-build-a3 has XSS that can be leveraged for session hijacking by retrieving the session…
CVE-2017-14597 — Medium (CVSS 4.8): AdminPanel in AfterLogic WebMail 7.7 and Aurora 7.7.5 has XSS via the txtDomainName field to…

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