How severe is CVE-2022-22831?

CVE-2022-22831 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-2022-22831 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-22831?

CVE-2022-22831 affects Servisnet Tessa. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-22831?

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-2022-22831 published?

CVE-2022-22831 was published on 2022-02-06 and last updated on 2026-06-17.

CVE-2022-22831

CVE-2022-22831 is a critical-severity vulnerability in Servisnet Tessa with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 11% places it in the 95th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 11% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Servisnet Tessa
Published: 2022-02-06
Last modified: 2026-06-17

Description

An issue was discovered in Servisnet Tessa 0.0.2. An attacker can add a new sysadmin user via a manipulation of the Authorization HTTP header.

Frequently asked questions

What is CVE-2022-22831?: An issue was discovered in Servisnet Tessa 0.0.2. An attacker can add a new sysadmin user via a manipulation of the Authorization HTTP header.
How severe is CVE-2022-22831?: CVE-2022-22831 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-2022-22831 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 11% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-22831?: CVE-2022-22831 affects Servisnet Tessa. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-22831?: 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-2022-22831 published?: CVE-2022-22831 was published on 2022-02-06 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:servisnet:tessa:0.0.2:*:*:*:*:*:*:*

More vulnerabilities in Servisnet Tessa

CVE-2022-22832 — Critical (CVSS 9.8): An issue was discovered in Servisnet Tessa 0.0.2. Authorization data is available via an unauthenticated…
CVE-2022-22833 — High (CVSS 7.5): An issue was discovered in Servisnet Tessa 0.0.2. An attacker can obtain sensitive information via a /js/app.js request.

All CVEs affecting Servisnet Tessa →

Other CWE-287 (Improper Authentication) vulnerabilities

CVE-2026-45480 — Critical (CVSS 10.0): Improper authentication in Azure Active Directory allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-46389 — Critical (CVSS 10.0): UDS Identity Config builds the Keycloak configuration image (realm, plugins, theme, truststore, JARs) consumed by UDS…
CVE-2026-10611 — Critical (CVSS 10.0): An authentication bypass vulnerability exists in MISP when LDAP mixed authentication is enabled with OTP enforcement.…
CVE-2026-47280 — Critical (CVSS 10.0): Improper authentication in Azure Resource Manager (ARM) allows an unauthorized attacker to elevate privileges over a…
CVE-2026-42822 — Critical (CVSS 10.0): Improper authentication in Azure Local Disconnected Operations allows an unauthorized attacker to elevate privileges…
CVE-2026-20182 — Critical (CVSS 10.0): May 2026: This security advisory provides the details and fix information for a vulnerability that was discovered and…

Browse all CWE-287 (Improper Authentication) vulnerabilities →