🛡️ CVE-2023-0455 — bumsys

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

• Attack vector: Network — reachable from anywhere that can route to the service.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: Low — an ordinary user account is enough.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: High — total loss, or loss the attacker controls.
• Integrity impact: High — total loss, or loss the attacker controls.
• Availability impact: High — total loss, or loss the attacker controls.

Weakness class

CVE-2023-0455 is classified as CWE-434: Unrestricted Upload of File with Dangerous Type. Uploads are accepted without restricting type, so an executable file can be placed where the server will run it.

Affected software

CVE-2023-0455 is recorded against 1 package.

• bumsys

Timeline and source

Published on 26 January 2023 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. A vendor advisory or fix has been published. Record sourced from NVD.

References

packetstormsecurity.com
github.com
huntr.dev
packetstormsecurity.com
github.com
huntr.dev

Other advisories for this package

bumsys has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2023-2832 (7.2 High, published 22 May 2023)
• CVE-2023-2554 (7.2 High, published 5 May 2023)
• CVE-2023-2553 (5.4 Medium, published 5 May 2023)
• CVE-2023-2552 (8.8 High, published 5 May 2023)
• CVE-2023-2551 (8.8 High, published 5 May 2023)
• CVE-2023-1362 (6.1 Medium, published 13 Mar 2023)
• CVE-2023-1361 (6.5 Medium, published 13 Mar 2023)

Same weakness in other software

These advisories are the same class of weakness (CWE-434: Unrestricted Upload of File with Dangerous Type) in other software:

• CVE-2026-16985 (8.8 High, published 10 Aug 2026)
• CVE-2026-72592 (9.8 Critical, published 10 Aug 2026)
• CVE-2026-19089 (9.8 Critical, published 10 Aug 2026)
• CVE-2022-4995 (9.8 Critical, published 7 Aug 2026)
• CVE-2026-63223 (9.8 Critical, published 7 Aug 2026)
• CVE-2026-66665 (10.0 Critical, published 6 Aug 2026)
• CVE-2026-71434 (5.3 Medium, published 6 Aug 2026)
• CVE-2026-67688 (9.8 Critical, published 6 Aug 2026)

Details

Affected Packages

References