How severe is CVE-2015-8277?

CVE-2015-8277 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-2015-8277 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8277?

CVE-2015-8277 affects Flexerasoftware Flexnet Publisher. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8277?

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-2015-8277 published?

CVE-2015-8277 was published on 2016-02-24 and last updated on 2026-06-17.

CVE-2015-8277

CVE-2015-8277 is a critical-severity vulnerability in Flexerasoftware Flexnet Publisher with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 29% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-119.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 29% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-119
Affected product: Flexerasoftware Flexnet Publisher
Published: 2016-02-24
Last modified: 2026-06-17

Description

Multiple buffer overflows in (1) lmgrd and (2) Vendor Daemon in Flexera FlexNet Publisher before 11.13.1.2 Security Update 1 allow remote attackers to execute arbitrary code via a crafted packet with opcode (a) 0x107 or (b) 0x10a.

Frequently asked questions

What is CVE-2015-8277?: Multiple buffer overflows in (1) lmgrd and (2) Vendor Daemon in Flexera FlexNet Publisher before 11.13.1.2 Security Update 1 allow remote attackers to execute arbitrary code via a crafted packet with opcode (a) 0x107 or (b) 0x10a.
How severe is CVE-2015-8277?: CVE-2015-8277 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-2015-8277 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 29% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8277?: CVE-2015-8277 affects Flexerasoftware Flexnet Publisher. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8277?: 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-2015-8277 published?: CVE-2015-8277 was published on 2016-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flexerasoftware:flexnet_publisher:*:*:*:*:*:*:*:*

More vulnerabilities in Flexerasoftware Flexnet Publisher

CVE-2011-4135 — Critical (CVSS 10.0): Multiple directory traversal vulnerabilities in lmgrd in Flexera FlexNet Publisher 11.10 (aka FlexNet License Server…
CVE-2011-4134 — Critical (CVSS 10.0): Heap-based buffer overflow in lmadmin in Flexera FlexNet Publisher 11.10 (aka FlexNet License Server Manager) allows…
CVE-2016-10395 — High (CVSS 7.8): In FlexNet Publisher versions before Luton SP1 (11.14.1.1) running FlexNet Publisher Licensing Service on Windows…
CVE-2017-5571 — Medium (CVSS 6.1): Open redirect vulnerability in the lmadmin component in Flexera FlexNet Publisher (aka Flex License Manager) 11.14.1…

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