What is the CVSS score of CVE-2020-11528?

CVE-2020-11528 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.2%.

Is there a public PoC exploit available for CVE-2020-11528?

Yes, a public proof-of-concept exploit is available for CVE-2020-11528. Prioritise patching immediately. EPSS: 1.2%.

Bit2Spr CVE-2020-11528

HIGH

Out-of-bounds Write (CWE-787)

2020-04-04 cve@mitre.org

Buffer Overflow Memory Corruption Bit2Spr

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Apr 04, 2020 - 17:15 nvd

HIGH 7.5

DescriptionNVD

bit2spr 1992-06-07 has a stack-based buffer overflow (129-byte write) in conv_bitmap in bit2spr.c via a long line in a bitmap file.

AnalysisAI

bit2spr 1992-06-07 has a stack-based buffer overflow (129-byte write) in conv_bitmap in bit2spr.c via a long line in a bitmap file. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Out-of-bounds Write (CWE-787), which allows attackers to write data beyond allocated buffer boundaries leading to code execution or crashes. bit2spr 1992-06-07 has a stack-based buffer overflow (129-byte write) in conv_bitmap in bit2spr.c via a long line in a bitmap file. Affected products include: Bit2Spr Project Bit2Spr.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate write boundaries, use memory-safe languages, enable compiler protections (ASLR, stack canaries).