How severe is CVE-2017-17049?

CVE-2017-17049 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2017-17049 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-17049?

CVE-2017-17049 affects Tgsoft Vir.it Explorer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-17049?

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-2017-17049 published?

CVE-2017-17049 was published on 2017-11-29 and last updated on 2026-06-17.

CVE-2017-17049

CVE-2017-17049 is a high-severity vulnerability in Tgsoft Vir.it Explorer with a CVSS 3.x base score of 7.8. 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-476.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 4.6
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Tgsoft Vir.it Explorer
Published: 2017-11-29
Last modified: 2026-06-17

Description

TG Soft Vir.IT eXplorer Lite 8.5.42 allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a NULL value in a 0x82730010 DeviceIoControl request to \\.\Viragtlt.

Frequently asked questions

What is CVE-2017-17049?: TG Soft Vir.IT eXplorer Lite 8.5.42 allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a NULL value in a 0x82730010 DeviceIoControl request to \\.\Viragtlt.
How severe is CVE-2017-17049?: CVE-2017-17049 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2017-17049 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-17049?: CVE-2017-17049 affects Tgsoft Vir.it Explorer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-17049?: 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-2017-17049 published?: CVE-2017-17049 was published on 2017-11-29 and last updated on 2026-06-17.

References

https://github.com/k0keoyo/Vir.IT-explorer-Anti-Virus-Null-Pointer-Reference-PoC/tree/master/VirIT_NullPointerReference_0x82730010

Affected products (1)

cpe:2.3:a:tgsoft:vir.it_explorer:8.5.42:*:*:*:lite:*:*:*

More vulnerabilities in Tgsoft Vir.it Explorer

CVE-2017-17803 — High (CVSS 7.8): In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service…
CVE-2017-17802 — High (CVSS 7.8): In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service…
CVE-2017-17801 — High (CVSS 7.8): In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service…
CVE-2017-17800 — High (CVSS 7.8): In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service…
CVE-2017-17799 — High (CVSS 7.8): In TG Soft Vir.IT eXplorer Lite 8.5.65, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service…
CVE-2017-17798 — High (CVSS 7.8): In TG Soft Vir.IT eXplorer Lite 8.5.42, the driver file (VIRAGTLT.SYS) allows local users to cause a denial of service…

All CVEs affecting Tgsoft Vir.it Explorer →

Other CWE-476 (NULL Pointer Dereference) vulnerabilities

CVE-2022-36648 — Critical (CVSS 10.0): The hardware emulation in the of_dpa_cmd_add_l2_flood of rocker device model in QEMU, as used in 7.0.0 and earlier,…
CVE-2020-14500 — Critical (CVSS 10.0): Secomea GateManager all versions prior to 9.2c, An attacker can send a negative value and overwrite arbitrary data.
CVE-2010-2495 — Critical (CVSS 10.0): The pppol2tp_xmit function in drivers/net/pppol2tp.c in the L2TP implementation in the Linux kernel before 2.6.34 does…
CVE-2026-46195 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: smb: client: validate dacloffset before building…
CVE-2026-31657 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: batman-adv: hold claim backbone gateways by…
CVE-2026-31436 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: fix possible wrong descriptor…

Browse all CWE-476 (NULL Pointer Dereference) vulnerabilities →