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CVE-2020-8440

29
FAUCET Score

CVE-2020-8440 is an unauthenticated Remote Code Execution (RCE) vulnerability affecting Simplejobscript.com SJS through version 1.66. Attackers can exploit this by uploading a malicious PHP script as a resume file through the controllers/page_apply.php component. This vulnerability carries a critical CVSS score of 9.8, indicating a severe risk with network-based exploitation, low attack complexity, and high impact on confidentiality, integrity, and availability. While no active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion has been observed, the high FAUCET Risk Score of 83/100 suggests a notable potential for exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.66CPE matchmatch criteria
cpe:2.3:a:simplejobscript:simplejobscript:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.81%
Probability of exploitation in next 30 days
EPSS Percentile
85.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0281 is in the 76th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / niteosoft/simplejobscript/issues/10
ExploitThird Party Advisory