How severe is CVE-2015-2978?

CVE-2015-2978 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-2978 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2978?

CVE-2015-2978 affects Webservice-dic Yoyaku. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-2978?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-2978 published?

CVE-2015-2978 was published on 2015-07-29 and last updated on 2026-06-17.

CVE-2015-2978

CVE-2015-2978 is a medium-severity vulnerability in Webservice-dic Yoyaku with a CVSS 2.0 base score of 5.0. 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-287.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Webservice-dic Yoyaku
Published: 2015-07-29
Last modified: 2026-06-17

Description

Webservice-DIC yoyaku_v41 allows remote attackers to bypass authentication and complete a conference-room reservation via unspecified vectors, as demonstrated by an "unintentional reservation."

Frequently asked questions

What is CVE-2015-2978?: Webservice-DIC yoyaku_v41 allows remote attackers to bypass authentication and complete a conference-room reservation via unspecified vectors, as demonstrated by an "unintentional reservation."
How severe is CVE-2015-2978?: CVE-2015-2978 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-2978 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2978?: CVE-2015-2978 affects Webservice-dic Yoyaku. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-2978?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2978 published?: CVE-2015-2978 was published on 2015-07-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webservice-dic:yoyaku:41:*:*:*:*:*:*:*

More vulnerabilities in Webservice-dic Yoyaku

CVE-2015-2979 — High (CVSS 7.5): Webservice-DIC yoyaku_v41 allows remote attackers to execute arbitrary OS commands via unspecified vectors.
CVE-2015-2977 — High (CVSS 7.5): Webservice-DIC yoyaku_v41 allows remote attackers to create arbitrary files, and consequently execute arbitrary code,…

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Other CWE-287 (Improper Authentication) vulnerabilities

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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 →