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Public proof of conceptFix available

CVE-2015-8277

A public proof of concept exists; no exploitation attested.

  • Published2016-02-24
  • WeaknessCWE-119

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2016-02-2403:59CVE publishedNVD
  2. 2026-10-2319:23First public proof of conceptPoC-in-GitHub
  3. 2026-10-2319:23EPSS crossed 10 %FIRST EPSS

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2015-8277?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2015-8277?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Flexerasoftware flexnet publisher
BranchAffectedFixed in
11.13≤ 11.13.1.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

  • ICSA-18-212-05 CISA3 known affected

    AVEVA Wonderware License Server

    Historian Client: 2014 R4 SP2 P02 and prior · Wonderware License Server: v4.0.13100 and prior · Wonderware Information Server: 4.0 SP1 and prior

  • ICSA-18-102-02 CISA2 known affected

    Rockwell Automation FactoryTalk Activation Manager (Update B)

    FactoryTalk Activation Manager: v4.00 and earlier · FactoryTalk Activation Manager: v4.00 and v4.01

Full record on NVD

Fix

  1. Vendor fix CISA ICSA-18-102-02 · 2 productsRockwell Automation recommends users with affected versions of CodeMeter and/or FlexNet Publisher that were installed with FactoryTalk Activation Manager to update Factory Talk Activation Manager to v4.02. If unable to update FactoryTalk Activation Manager to v4.02, update CodeMeter to a compatible…
  2. Mitigation from the vendor CISA ICSA-18-212-05 · 3 productsAVEVA recommends affected users install update “Hotfix Wonderware License Server VU-485744” or later
  3. Mitigation from the vendor CISA ICSA-18-212-05 · 3 productsAVEVA has published Security Bulletin LFSEC00000129.
  4. Mitigation from the vendor CISA ICSA-18-102-02 · 2 productsRockwell Automation also encourages users to combine the updates above with these general security guidelines to employ multiple strategies simultaneously.
  5. Mitigation from the vendor CISA ICSA-18-102-02 · 2 productsBlock all traffic to EtherNet/IP or other CIP protocol-based devices from outside the Manufacturing Zone by blocking or restricting access to Port 2222/TCP and UDP and Port 44818/TCP and UDP, using proper network infrastructure controls, such as firewalls, UTM devices, or other security appliances.…
  6. Mitigation from the vendor CISA ICSA-18-102-02 · 2 productsMinimize network exposure for all control system devices and/or systems, and ensure they are not accessible from the Internet.

Detection

read 2026-10-23 19:23 UTC
Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
1 repository, unverifiedsecurifera/CVE-2015-8277-Exploit
PoC-in-GitHub

Sources

  • NVDCVSS 3.09.8read 2026-10-23
  • NVDCVSS 2.010read 2026-10-23
  • NVDweakness (CWE)CWE-119read 2026-10-23
  • FIRST EPSSEPSS score28.7 %read 2026-10-23
  • PoC-in-GitHubproof of concept1read 2026-10-23

Technical details

CVSS v3 Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published
2016-02-24
Last Modified
2026-06-17
NVD status
Modified

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.

Is CVE-2015-8277 actively exploited?

Active exploitation of CVE-2015-8277 has not been confirmed. Its EPSS score was 28.7% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2015-8277?

CVE-2015-8277 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

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