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CVE-2021-33293

31
FAUCET Score

CVE-2021-33293 is an out-of-bounds read vulnerability in the panoParserFindOLine() function of Panorama Tools libpano13 v2.9.20, affecting Debian and libpano13_project. It carries a critical CVSS score of 9.1, indicating a network-exploitable vulnerability with low attack complexity that could lead to high confidentiality and availability impacts. While no active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB) has been identified, the vulnerability has garnered significant community discussion with 10 mentions, suggesting awareness among security researchers.

Impacted Technologies

VendorProductVersion(s)CPE
2.9.20CPE matchmatch criteria
cpe:2.3:a:libpano13_project:libpano13:2.9.20:-:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.1CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.2
CvssVersion
3.1

Exploit Intelligence

EPSS Score
2.07%
Probability of exploitation in next 30 days
EPSS Percentile
79.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0207 is in the 68th 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

groups.google.com / u/1/g/hugin-ptx/c/gLtz2vweD74
ExploitMailing List
lists.debian.org / debian-lts-announce/2022/03/msg00029.html
Mailing ListThird Party Advisory
sourceforge.net / p/panotools/libpano13/ci/62aa7eed8fae5d8f247a2508a757f31000de386f
PatchThird Party Advisory