A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cau
A NULL pointer dereference in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to cause a denial of service, GHSL-2020-079.
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for help- Published
- Jun 24, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.0% · 63th percentile
- CWE
- CWE-476
Sign in to follow · You’ll be notified if a followed record enters KEV, gets an exploit or is updated.
Report tools
Action score
22
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.7 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 0 / 30 · 1.0%
Affected systems
| Vendor | Product | CPE |
|---|---|---|
| sane-project | sane backends | cpe:2.3:o:sane-project:sane_backends |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux16.04
- canonical ubuntu linux18.04
- canonical ubuntu linux20.04
- opensuse leap15.1
- opensuse leap15.2
- sane-project sane backendsbefore 1.0.30
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:12 | sane-backends | before 1.0.31-2 | 1.0.31-2 |
| openSUSE:Leap 15.1 | sane-backends | before 1.0.31-lp151.6.3.1 | 1.0.31-lp151.6.3.1 |
| openSUSE:Leap 15.2 | sane-backends | before 1.0.31-lp152.7.3.1 | 1.0.31-lp152.7.3.1 |
| SUSE:HPE Helion OpenStack 8 | sane-backends | before 1.0.31-4.3.1 | 1.0.31-4.3.1 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | sane-backends | before 1.0.31-6.3.2 | 1.0.31-6.3.2 |
Same product
sane-project: all recordsOther highest-scoring records for the same primary product.
- CVE-2020-12861A heap buffer overflow in SANE Backends before 1.0.30 allows a malicious device connected to the same local network as the victim to execute36Monitor
- CVE-2020-12865A heap buffer overflow in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to exec32Monitor
- CVE-2023-46047An issue in Sane 1.2.1 allows a local attacker to execute arbitrary code via a crafted file to the sanei_configure_attach() function.29Monitor
- CVE-2023-46052Sane 1.2.1 heap bounds overwrite in init_options() from backend/test.c via a long init_mode string in a configuration file.28Monitor
- CVE-2020-12867A NULL pointer dereference in sanei_epson_net_read in SANE Backends before 1.0.30 allows a malicious device connected to the same local netw22Monitor
- CVE-2020-12864An out-of-bounds read in SANE Backends before 1.0.30 may allow a malicious device connected to the same local network as the victim to read 17Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:sane-backends | 1.0.31-2 · Debian:12 | Package registry (OSV) |
| opensuse:sane-backends | 1.0.31-lp151.6.3.1 · openSUSE:Leap 15.1 | Package registry (OSV) |
| suse:sane-backends | 1.0.31-6.3.2 · SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone on the same network segment can trigger it.
- A low-privileged account is enough.
- No user action is required.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Adjacent
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-476 · NULL Pointer DereferenceCVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- lists.opensuse.org/opensuse-security-announce/2020-10/msg00079.html
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00003.html
- alioth-lists.debian.net/pipermail/sane-announce/2020/000041.html
- usn.ubuntu.com/4470-1/
Vendor advisories and official records. Exploit/PoC links are deliberately left out.